220121445

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{312229}}^1$

素因数の和:312284

約数の個数: 16

約数和(自身を含む): 359688960

約数和(自身を除く): 139567515

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 312229, 936687, 1561145, 4683435, 14674763, 44024289, 73373815, 220121445]

約数ペア:

[(1, 220121445), (3, 73373815), (5, 44024289), (15, 14674763), (47, 4683435), (141, 1561145), (235, 936687), (705, 312229)]