479997

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 836160

約数和(自身を除く): 356163

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 401, 1197, 1203, 2807, 3609, 7619, 8421, 22857, 25263, 53333, 68571, 159999, 479997]

約数ペア:

[(1, 479997), (3, 159999), (7, 68571), (9, 53333), (19, 25263), (21, 22857), (57, 8421), (63, 7619), (133, 3609), (171, 2807), (399, 1203), (401, 1197)]