139225821

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 215973888

約数和(自身を除く): 76748067

約数列:

[1, 3, 7, 21, 103, 191, 309, 337, 573, 721, 1011, 1337, 2163, 2359, 4011, 7077, 19673, 34711, 59019, 64367, 104133, 137711, 193101, 242977, 413133, 450569, 728931, 1351707, 6629801, 19889403, 46408607, 139225821]

約数ペア:

[(1, 139225821), (3, 46408607), (7, 19889403), (21, 6629801), (103, 1351707), (191, 728931), (309, 450569), (337, 413133), (573, 242977), (721, 193101), (1011, 137711), (1337, 104133), (2163, 64367), (2359, 59019), (4011, 34711), (7077, 19673)]