31789845

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 57703152

約数和(自身を除く): 25913307

約数列:

[1, 3, 5, 9, 15, 37, 45, 61, 111, 183, 185, 305, 313, 333, 549, 555, 915, 939, 1565, 1665, 2257, 2745, 2817, 4695, 6771, 11285, 11581, 14085, 19093, 20313, 33855, 34743, 57279, 57905, 95465, 101565, 104229, 171837, 173715, 286395, 521145, 706441, 859185, 2119323, 3532205, 6357969, 10596615, 31789845]

約数ペア:

[(1, 31789845), (3, 10596615), (5, 6357969), (9, 3532205), (15, 2119323), (37, 859185), (45, 706441), (61, 521145), (111, 286395), (183, 173715), (185, 171837), (305, 104229), (313, 101565), (333, 95465), (549, 57905), (555, 57279), (915, 34743), (939, 33855), (1565, 20313), (1665, 19093), (2257, 14085), (2745, 11581), (2817, 11285), (4695, 6771)]