213979307

素因数分解:

${\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 222173952

約数和(自身を除く): 8194645

約数列:

[1, 67, 101, 103, 307, 6767, 6901, 10403, 20569, 31007, 31621, 697001, 2077469, 2118607, 3193721, 213979307]

約数ペア:

[(1, 213979307), (67, 3193721), (101, 2118607), (103, 2077469), (307, 697001), (6767, 31621), (6901, 31007), (10403, 20569)]