220179981

素因数分解:

$3^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{8969}}^1$

素因数の和:9153

約数の個数: 24

約数和(自身を含む): 343586880

約数和(自身を除く): 123406899

約数列:

[1, 3, 7, 21, 49, 147, 167, 501, 1169, 3507, 8183, 8969, 24549, 26907, 62783, 188349, 439481, 1318443, 1497823, 4493469, 10484761, 31454283, 73393327, 220179981]

約数ペア:

[(1, 220179981), (3, 73393327), (7, 31454283), (21, 10484761), (49, 4493469), (147, 1497823), (167, 1318443), (501, 439481), (1169, 188349), (3507, 62783), (8183, 26907), (8969, 24549)]