278344287

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{44887}}^1$

素因数の和:44959

約数の個数: 24

約数和(自身を含む): 441159264

約数和(自身を除く): 162814977

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 44887, 134661, 403983, 583531, 1750593, 2379011, 5251779, 7137033, 21411099, 30927143, 92781429, 278344287]

約数ペア:

[(1, 278344287), (3, 92781429), (9, 30927143), (13, 21411099), (39, 7137033), (53, 5251779), (117, 2379011), (159, 1750593), (477, 583531), (689, 403983), (2067, 134661), (6201, 44887)]