128291145

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{198901}}^1$

素因数の和:198952

約数の個数: 16

約数和(自身を含む): 210040512

約数和(自身を除く): 81749367

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 198901, 596703, 994505, 2983515, 8552743, 25658229, 42763715, 128291145]

約数ペア:

[(1, 128291145), (3, 42763715), (5, 25658229), (15, 8552743), (43, 2983515), (129, 994505), (215, 596703), (645, 198901)]