217475727

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{357103}}^1$

素因数の和:357142

約数の個数: 16

約数和(自身を含む): 342819840

約数和(自身を除く): 125344113

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 357103, 1071309, 2499721, 7499163, 10355987, 31067961, 72491909, 217475727]

約数ペア:

[(1, 217475727), (3, 72491909), (7, 31067961), (21, 10355987), (29, 7499163), (87, 2499721), (203, 1071309), (609, 357103)]