407385225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 834113280

約数和(自身を除く): 426728055

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 43, 45, 65, 75, 79, 117, 123, 129, 195, 205, 215, 225, 237, 325, 369, 387, 395, 533, 559, 585, 615, 645, 711, 975, 1025, 1027, 1075, 1185, 1599, 1677, 1763, 1845, 1935, 1975, 2665, 2795, 2925, 3075, 3081, 3225, 3239, 3397, 3555, 4797, 5031, 5135, 5289, 5925, 7995, 8385, 8815, 9225, 9243, 9675, 9717, 10191, 13325, 13975, 15405, 15867, 16195, 16985, 17775, 22919, 23985, 25155, 25675, 26445, 29151, 30573, 39975, 41925, 42107, 44075, 44161, 46215, 48585, 50955, 68757, 77025, 79335, 80975, 84925, 114595, 119925, 125775, 126321, 132225, 132483, 139277, 145755, 152865, 206271, 210535, 220805, 231075, 242925, 254775, 343785, 378963, 396675, 397449, 417831, 572975, 631605, 662415, 696385, 728775, 764325, 1031355, 1052675, 1104025, 1253493, 1718925, 1810601, 1894815, 1987245, 2089155, 3158025, 3312075, 3481925, 5156775, 5431803, 6267465, 9053005, 9474075, 9936225, 10445775, 16295409, 27159015, 31337325, 45265025, 81477045, 135795075, 407385225]

約数ペア:

[(1, 407385225), (3, 135795075), (5, 81477045), (9, 45265025), (13, 31337325), (15, 27159015), (25, 16295409), (39, 10445775), (41, 9936225), (43, 9474075), (45, 9053005), (65, 6267465), (75, 5431803), (79, 5156775), (117, 3481925), (123, 3312075), (129, 3158025), (195, 2089155), (205, 1987245), (215, 1894815), (225, 1810601), (237, 1718925), (325, 1253493), (369, 1104025), (387, 1052675), (395, 1031355), (533, 764325), (559, 728775), (585, 696385), (615, 662415), (645, 631605), (711, 572975), (975, 417831), (1025, 397449), (1027, 396675), (1075, 378963), (1185, 343785), (1599, 254775), (1677, 242925), (1763, 231075), (1845, 220805), (1935, 210535), (1975, 206271), (2665, 152865), (2795, 145755), (2925, 139277), (3075, 132483), (3081, 132225), (3225, 126321), (3239, 125775), (3397, 119925), (3555, 114595), (4797, 84925), (5031, 80975), (5135, 79335), (5289, 77025), (5925, 68757), (7995, 50955), (8385, 48585), (8815, 46215), (9225, 44161), (9243, 44075), (9675, 42107), (9717, 41925), (10191, 39975), (13325, 30573), (13975, 29151), (15405, 26445), (15867, 25675), (16195, 25155), (16985, 23985), (17775, 22919)]