12865725

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:498

約数の個数: 36

約数和(自身を含む): 23238592

約数和(自身を除く): 10372867

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 271, 633, 813, 1055, 1355, 1899, 2439, 3165, 4065, 5275, 6775, 9495, 12195, 15825, 20325, 47475, 57181, 60975, 171543, 285905, 514629, 857715, 1429525, 2573145, 4288575, 12865725]

約数ペア:

[(1, 12865725), (3, 4288575), (5, 2573145), (9, 1429525), (15, 857715), (25, 514629), (45, 285905), (75, 171543), (211, 60975), (225, 57181), (271, 47475), (633, 20325), (813, 15825), (1055, 12195), (1355, 9495), (1899, 6775), (2439, 5275), (3165, 4065)]