12808755

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 23811840

約数和(自身を除く): 11003085

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 211, 213, 285, 355, 633, 639, 855, 1055, 1065, 1349, 1899, 3165, 3195, 4009, 4047, 6745, 9495, 12027, 12141, 14981, 20045, 20235, 36081, 44943, 60135, 60705, 74905, 134829, 180405, 224715, 284639, 674145, 853917, 1423195, 2561751, 4269585, 12808755]

約数ペア:

[(1, 12808755), (3, 4269585), (5, 2561751), (9, 1423195), (15, 853917), (19, 674145), (45, 284639), (57, 224715), (71, 180405), (95, 134829), (171, 74905), (211, 60705), (213, 60135), (285, 44943), (355, 36081), (633, 20235), (639, 20045), (855, 14981), (1055, 12141), (1065, 12027), (1349, 9495), (1899, 6745), (3165, 4047), (3195, 4009)]