2478567

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 4143216

約数和(自身を除く): 1664649

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1297, 1911, 3891, 9079, 16861, 27237, 50583, 63553, 118027, 190659, 354081, 826189, 2478567]

約数ペア:

[(1, 2478567), (3, 826189), (7, 354081), (13, 190659), (21, 118027), (39, 63553), (49, 50583), (91, 27237), (147, 16861), (273, 9079), (637, 3891), (1297, 1911)]