128976789

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{2621}}^1$

素因数の和:3020

約数の個数: 16

約数和(自身を含む): 176198400

約数和(自身を除く): 47221611

約数列:

[1, 3, 47, 141, 349, 1047, 2621, 7863, 16403, 49209, 123187, 369561, 914729, 2744187, 42992263, 128976789]

約数ペア:

[(1, 128976789), (3, 42992263), (47, 2744187), (141, 914729), (349, 369561), (1047, 123187), (2621, 49209), (7863, 16403)]