13881465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 26404560

約数和(自身を除く): 12523095

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 389, 549, 585, 793, 915, 1167, 1945, 2379, 2745, 3501, 3965, 5057, 5835, 7137, 11895, 15171, 17505, 23729, 25285, 35685, 45513, 71187, 75855, 118645, 213561, 227565, 308477, 355935, 925431, 1067805, 1542385, 2776293, 4627155, 13881465]

約数ペア:

[(1, 13881465), (3, 4627155), (5, 2776293), (9, 1542385), (13, 1067805), (15, 925431), (39, 355935), (45, 308477), (61, 227565), (65, 213561), (117, 118645), (183, 75855), (195, 71187), (305, 45513), (389, 35685), (549, 25285), (585, 23729), (793, 17505), (915, 15171), (1167, 11895), (1945, 7137), (2379, 5835), (2745, 5057), (3501, 3965)]