12857649

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1861}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 20377728

約数和(自身を除く): 7520079

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 1861, 2303, 5583, 6909, 13027, 39081, 87467, 91189, 262401, 273567, 612269, 1836807, 4285883, 12857649]

約数ペア:

[(1, 12857649), (3, 4285883), (7, 1836807), (21, 612269), (47, 273567), (49, 262401), (141, 91189), (147, 87467), (329, 39081), (987, 13027), (1861, 6909), (2303, 5583)]