390646851

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{3617}}^1$

素因数の和:3803

約数の個数: 32

約数和(自身を含む): 615928320

約数和(自身を除く): 225281469

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 417, 777, 973, 2919, 3617, 5143, 10851, 15429, 25319, 36001, 75957, 108003, 133829, 401487, 502763, 936803, 1508289, 2810409, 3519341, 10558023, 18602231, 55806693, 130215617, 390646851]

約数ペア:

[(1, 390646851), (3, 130215617), (7, 55806693), (21, 18602231), (37, 10558023), (111, 3519341), (139, 2810409), (259, 1508289), (417, 936803), (777, 502763), (973, 401487), (2919, 133829), (3617, 108003), (5143, 75957), (10851, 36001), (15429, 25319)]