120130521

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{301079}}^1$

素因数の和:301108

約数の個数: 16

約数和(自身を含む): 192691200

約数和(自身を除く): 72560679

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 301079, 903237, 2107553, 5720501, 6322659, 17161503, 40043507, 120130521]

約数ペア:

[(1, 120130521), (3, 40043507), (7, 17161503), (19, 6322659), (21, 5720501), (57, 2107553), (133, 903237), (399, 301079)]