81177235

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 106634880

約数和(自身を除く): 25457645

約数列:

[1, 5, 23, 29, 101, 115, 145, 241, 505, 667, 1205, 2323, 2929, 3335, 5543, 6989, 11615, 14645, 24341, 27715, 34945, 67367, 121705, 160747, 336835, 559843, 705889, 803735, 2799215, 3529445, 16235447, 81177235]

約数ペア:

[(1, 81177235), (5, 16235447), (23, 3529445), (29, 2799215), (101, 803735), (115, 705889), (145, 559843), (241, 336835), (505, 160747), (667, 121705), (1205, 67367), (2323, 34945), (2929, 27715), (3335, 24341), (5543, 14645), (6989, 11615)]