68289921

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47129}}^1$

素因数の和:47165

約数の個数: 24

約数和(自身を含む): 117636480

約数和(自身を除く): 49346559

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 47129, 141387, 329903, 424161, 989709, 1083967, 2969127, 3251901, 7587769, 9755703, 22763307, 68289921]

約数ペア:

[(1, 68289921), (3, 22763307), (7, 9755703), (9, 7587769), (21, 3251901), (23, 2969127), (63, 1083967), (69, 989709), (161, 424161), (207, 329903), (483, 141387), (1449, 47129)]