156712353

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1451}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 247188480

約数和(自身を除く): 90476127

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 417, 777, 973, 1451, 2919, 4353, 5143, 10157, 15429, 30471, 36001, 53687, 108003, 161061, 201689, 375809, 605067, 1127427, 1411823, 4235469, 7462493, 22387479, 52237451, 156712353]

約数ペア:

[(1, 156712353), (3, 52237451), (7, 22387479), (21, 7462493), (37, 4235469), (111, 1411823), (139, 1127427), (259, 605067), (417, 375809), (777, 201689), (973, 161061), (1451, 108003), (2919, 53687), (4353, 36001), (5143, 30471), (10157, 15429)]