12856851

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2293}}^1$

素因数の和:2395

約数の個数: 24

約数和(自身を含む): 21471840

約数和(自身を除く): 8614989

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 2293, 5607, 6879, 16051, 20637, 48153, 144459, 204077, 612231, 1428539, 1836693, 4285617, 12856851]

約数ペア:

[(1, 12856851), (3, 4285617), (7, 1836693), (9, 1428539), (21, 612231), (63, 204077), (89, 144459), (267, 48153), (623, 20637), (801, 16051), (1869, 6879), (2293, 5607)]