2559915

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 4477200

約数和(自身を除く): 1917285

約数列:

[1, 3, 5, 9, 15, 45, 163, 349, 489, 815, 1047, 1467, 1745, 2445, 3141, 5235, 7335, 15705, 56887, 170661, 284435, 511983, 853305, 2559915]

約数ペア:

[(1, 2559915), (3, 853305), (5, 511983), (9, 284435), (15, 170661), (45, 56887), (163, 15705), (349, 7335), (489, 5235), (815, 3141), (1047, 2445), (1467, 1745)]