77687415

素因数分解:

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

素因数の和:185

約数の個数: 72

約数和(自身を含む): 150521280

約数和(自身を除く): 72833865

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 79, 117, 123, 195, 205, 237, 369, 395, 533, 585, 615, 711, 1027, 1185, 1599, 1681, 1845, 2665, 3081, 3239, 3555, 4797, 5043, 5135, 7995, 8405, 9243, 9717, 15129, 15405, 16195, 21853, 23985, 25215, 29151, 42107, 46215, 48585, 65559, 75645, 109265, 126321, 132799, 145755, 196677, 210535, 327795, 378963, 398397, 631605, 663995, 983385, 1195191, 1726387, 1894815, 1991985, 5179161, 5975955, 8631935, 15537483, 25895805, 77687415]

約数ペア:

[(1, 77687415), (3, 25895805), (5, 15537483), (9, 8631935), (13, 5975955), (15, 5179161), (39, 1991985), (41, 1894815), (45, 1726387), (65, 1195191), (79, 983385), (117, 663995), (123, 631605), (195, 398397), (205, 378963), (237, 327795), (369, 210535), (395, 196677), (533, 145755), (585, 132799), (615, 126321), (711, 109265), (1027, 75645), (1185, 65559), (1599, 48585), (1681, 46215), (1845, 42107), (2665, 29151), (3081, 25215), (3239, 23985), (3555, 21853), (4797, 16195), (5043, 15405), (5135, 15129), (7995, 9717), (8405, 9243)]