291681747

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{52021}}^1$

素因数の和:52123

約数の個数: 24

約数和(自身を含む): 486925920

約数和(自身を除く): 195244173

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 52021, 156063, 364147, 468189, 1092441, 3277323, 4629869, 13889607, 32409083, 41668821, 97227249, 291681747]

約数ペア:

[(1, 291681747), (3, 97227249), (7, 41668821), (9, 32409083), (21, 13889607), (63, 4629869), (89, 3277323), (267, 1092441), (623, 468189), (801, 364147), (1869, 156063), (5607, 52021)]