81753535

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{239}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 103584960

約数和(自身を除く): 21831425

約数列:

[1, 5, 37, 43, 185, 215, 239, 1195, 1591, 1849, 7955, 8843, 9245, 10277, 44215, 51385, 68413, 342065, 380249, 441911, 1901245, 2209555, 16350707, 81753535]

約数ペア:

[(1, 81753535), (5, 16350707), (37, 2209555), (43, 1901245), (185, 441911), (215, 380249), (239, 342065), (1195, 68413), (1591, 51385), (1849, 44215), (7955, 10277), (8843, 9245)]