384405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{523}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 716832

約数和(自身を除く): 332427

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 523, 735, 1569, 2615, 3661, 7845, 10983, 18305, 25627, 54915, 76881, 128135, 384405]

約数ペア:

[(1, 384405), (3, 128135), (5, 76881), (7, 54915), (15, 25627), (21, 18305), (35, 10983), (49, 7845), (105, 3661), (147, 2615), (245, 1569), (523, 735)]