156321921

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{111103}}^1$

素因数の和:111180

約数の個数: 16

約数和(自身を含む): 241762304

約数和(自身を除く): 85440383

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 111103, 333309, 777721, 2333163, 7443901, 22331703, 52107307, 156321921]

約数ペア:

[(1, 156321921), (3, 52107307), (7, 22331703), (21, 7443901), (67, 2333163), (201, 777721), (469, 333309), (1407, 111103)]