221497695

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{67427}}^1$

素因数の和:67511

約数の個数: 24

約数和(自身を含む): 389194416

約数和(自身を除く): 167696721

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 67427, 202281, 337135, 606843, 1011405, 3034215, 4922171, 14766513, 24610855, 44299539, 73832565, 221497695]

約数ペア:

[(1, 221497695), (3, 73832565), (5, 44299539), (9, 24610855), (15, 14766513), (45, 4922171), (73, 3034215), (219, 1011405), (365, 606843), (657, 337135), (1095, 202281), (3285, 67427)]