77972505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 140652288

約数和(自身を除く): 62679783

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 101, 107, 111, 185, 195, 303, 321, 481, 505, 535, 555, 1313, 1391, 1443, 1515, 1605, 2405, 3737, 3939, 3959, 4173, 6565, 6955, 7215, 10807, 11211, 11877, 18685, 19695, 19795, 20865, 32421, 48581, 51467, 54035, 56055, 59385, 140491, 145743, 154401, 162105, 242905, 257335, 399859, 421473, 702455, 728715, 772005, 1199577, 1999295, 2107365, 5198167, 5997885, 15594501, 25990835, 77972505]

約数ペア:

[(1, 77972505), (3, 25990835), (5, 15594501), (13, 5997885), (15, 5198167), (37, 2107365), (39, 1999295), (65, 1199577), (101, 772005), (107, 728715), (111, 702455), (185, 421473), (195, 399859), (303, 257335), (321, 242905), (481, 162105), (505, 154401), (535, 145743), (555, 140491), (1313, 59385), (1391, 56055), (1443, 54035), (1515, 51467), (1605, 48581), (2405, 32421), (3737, 20865), (3939, 19795), (3959, 19695), (4173, 18685), (6565, 11877), (6955, 11211), (7215, 10807)]