81116231

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 99703776

約数和(自身を除く): 18587545

約数列:

[1, 7, 17, 101, 119, 289, 397, 707, 1717, 2023, 2779, 6749, 12019, 29189, 40097, 47243, 114733, 204323, 280679, 681649, 803131, 4771543, 11588033, 81116231]

約数ペア:

[(1, 81116231), (7, 11588033), (17, 4771543), (101, 803131), (119, 681649), (289, 280679), (397, 204323), (707, 114733), (1717, 47243), (2023, 40097), (2779, 29189), (6749, 12019)]