281662641

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{4903}}^1$

素因数の和:5413

約数の個数: 24

約数和(自身を含む): 439123776

約数和(自身を除く): 157461135

約数列:

[1, 3, 9, 13, 39, 117, 491, 1473, 4419, 4903, 6383, 14709, 19149, 44127, 57447, 63739, 191217, 573651, 2407373, 7222119, 21666357, 31295849, 93887547, 281662641]

約数ペア:

[(1, 281662641), (3, 93887547), (9, 31295849), (13, 21666357), (39, 7222119), (117, 2407373), (491, 573651), (1473, 191217), (4419, 63739), (4903, 57447), (6383, 44127), (14709, 19149)]