38735775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 85307040

約数和(自身を除く): 46571265

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 25, 39, 41, 45, 51, 57, 65, 75, 85, 95, 117, 123, 153, 171, 195, 205, 221, 225, 247, 255, 285, 323, 325, 369, 425, 475, 533, 585, 615, 663, 697, 741, 765, 779, 855, 969, 975, 1025, 1105, 1235, 1275, 1425, 1599, 1615, 1845, 1989, 2091, 2223, 2337, 2665, 2907, 2925, 3075, 3315, 3485, 3705, 3825, 3895, 4199, 4275, 4797, 4845, 5525, 6175, 6273, 7011, 7995, 8075, 9061, 9225, 9945, 10127, 10455, 11115, 11685, 12597, 13243, 13325, 14535, 16575, 17425, 18525, 19475, 20995, 23985, 24225, 27183, 30381, 31365, 35055, 37791, 39729, 39975, 45305, 49725, 50635, 52275, 55575, 58425, 62985, 66215, 72675, 81549, 91143, 104975, 119187, 119925, 135915, 151905, 156825, 172159, 175275, 188955, 198645, 226525, 253175, 314925, 331075, 407745, 455715, 516477, 595935, 679575, 759525, 860795, 944775, 993225, 1549431, 2038725, 2278575, 2582385, 2979675, 4303975, 7747155, 12911925, 38735775]

約数ペア:

[(1, 38735775), (3, 12911925), (5, 7747155), (9, 4303975), (13, 2979675), (15, 2582385), (17, 2278575), (19, 2038725), (25, 1549431), (39, 993225), (41, 944775), (45, 860795), (51, 759525), (57, 679575), (65, 595935), (75, 516477), (85, 455715), (95, 407745), (117, 331075), (123, 314925), (153, 253175), (171, 226525), (195, 198645), (205, 188955), (221, 175275), (225, 172159), (247, 156825), (255, 151905), (285, 135915), (323, 119925), (325, 119187), (369, 104975), (425, 91143), (475, 81549), (533, 72675), (585, 66215), (615, 62985), (663, 58425), (697, 55575), (741, 52275), (765, 50635), (779, 49725), (855, 45305), (969, 39975), (975, 39729), (1025, 37791), (1105, 35055), (1235, 31365), (1275, 30381), (1425, 27183), (1599, 24225), (1615, 23985), (1845, 20995), (1989, 19475), (2091, 18525), (2223, 17425), (2337, 16575), (2665, 14535), (2907, 13325), (2925, 13243), (3075, 12597), (3315, 11685), (3485, 11115), (3705, 10455), (3825, 10127), (3895, 9945), (4199, 9225), (4275, 9061), (4797, 8075), (4845, 7995), (5525, 7011), (6175, 6273)]