219635721

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{541}}^1\times {\mathrm{571}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 322424960

約数和(自身を除く): 102789239

約数列:

[1, 3, 9, 79, 237, 541, 571, 711, 1623, 1713, 4869, 5139, 42739, 45109, 128217, 135327, 308911, 384651, 405981, 926733, 2780199, 24403969, 73211907, 219635721]

約数ペア:

[(1, 219635721), (3, 73211907), (9, 24403969), (79, 2780199), (237, 926733), (541, 405981), (571, 384651), (711, 308911), (1623, 135327), (1713, 128217), (4869, 45109), (5139, 42739)]