217877535

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{30839}}^1$

素因数の和:31007

約数の個数: 24

約数和(自身を含む): 380072160

約数和(自身を除く): 162194625

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 30839, 92517, 154195, 277551, 462585, 1387755, 4841723, 14525169, 24208615, 43575507, 72625845, 217877535]

約数ペア:

[(1, 217877535), (3, 72625845), (5, 43575507), (9, 24208615), (15, 14525169), (45, 4841723), (157, 1387755), (471, 462585), (785, 277551), (1413, 154195), (2355, 92517), (7065, 30839)]