402045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{547}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 749664

約数和(自身を除く): 347619

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 547, 735, 1641, 2735, 3829, 8205, 11487, 19145, 26803, 57435, 80409, 134015, 402045]

約数ペア:

[(1, 402045), (3, 134015), (5, 80409), (7, 57435), (15, 26803), (21, 19145), (35, 11487), (49, 8205), (105, 3829), (147, 2735), (245, 1641), (547, 735)]