13168375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 18338112

約数和(自身を除く): 5169737

約数列:

[1, 5, 11, 25, 55, 61, 125, 157, 275, 305, 671, 785, 1375, 1525, 1727, 3355, 3925, 7625, 8635, 9577, 16775, 19625, 43175, 47885, 83875, 105347, 215875, 239425, 526735, 1197125, 2633675, 13168375]

約数ペア:

[(1, 13168375), (5, 2633675), (11, 1197125), (25, 526735), (55, 239425), (61, 215875), (125, 105347), (157, 83875), (275, 47885), (305, 43175), (671, 19625), (785, 16775), (1375, 9577), (1525, 8635), (1727, 7625), (3355, 3925)]