505533

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 829920

約数和(自身を除く): 324387

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 181, 399, 543, 931, 1267, 2793, 3439, 3801, 8869, 10317, 24073, 26607, 72219, 168511, 505533]

約数ペア:

[(1, 505533), (3, 168511), (7, 72219), (19, 26607), (21, 24073), (49, 10317), (57, 8869), (133, 3801), (147, 3439), (181, 2793), (399, 1267), (543, 931)]