222774705

素因数分解:

$3^4\times 5^1\times {\mathrm{550061}}^1$

素因数の和:550078

約数の個数: 20

約数和(自身を含む): 399345012

約数和(自身を除く): 176570307

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 550061, 1650183, 2750305, 4950549, 8250915, 14851647, 24752745, 44554941, 74258235, 222774705]

約数ペア:

[(1, 222774705), (3, 74258235), (5, 44554941), (9, 24752745), (15, 14851647), (27, 8250915), (45, 4950549), (81, 2750305), (135, 1650183), (405, 550061)]