156532971

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{111253}}^1$

素因数の和:111330

約数の個数: 16

約数和(自身を含む): 242088704

約数和(自身を除く): 85555733

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 111253, 333759, 778771, 2336313, 7453951, 22361853, 52177657, 156532971]

約数ペア:

[(1, 156532971), (3, 52177657), (7, 22361853), (21, 7453951), (67, 2336313), (201, 778771), (469, 333759), (1407, 111253)]