80777475

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 153875072

約数和(自身を除く): 73097597

約数列:

[1, 3, 5, 9, 15, 25, 31, 37, 45, 75, 93, 111, 155, 185, 225, 279, 313, 333, 465, 555, 775, 925, 939, 1147, 1395, 1565, 1665, 2325, 2775, 2817, 3441, 4695, 5735, 6975, 7825, 8325, 9703, 10323, 11581, 14085, 17205, 23475, 28675, 29109, 34743, 48515, 51615, 57905, 70425, 86025, 87327, 104229, 145545, 173715, 242575, 258075, 289525, 359011, 436635, 521145, 727725, 868575, 1077033, 1795055, 2183175, 2605725, 3231099, 5385165, 8975275, 16155495, 26925825, 80777475]

約数ペア:

[(1, 80777475), (3, 26925825), (5, 16155495), (9, 8975275), (15, 5385165), (25, 3231099), (31, 2605725), (37, 2183175), (45, 1795055), (75, 1077033), (93, 868575), (111, 727725), (155, 521145), (185, 436635), (225, 359011), (279, 289525), (313, 258075), (333, 242575), (465, 173715), (555, 145545), (775, 104229), (925, 87327), (939, 86025), (1147, 70425), (1395, 57905), (1565, 51615), (1665, 48515), (2325, 34743), (2775, 29109), (2817, 28675), (3441, 23475), (4695, 17205), (5735, 14085), (6975, 11581), (7825, 10323), (8325, 9703)]