273390621

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 425671680

約数和(自身を除く): 152281059

約数列:

[1, 3, 7, 21, 73, 139, 219, 417, 511, 973, 1283, 1533, 2919, 3849, 8981, 10147, 26943, 30441, 71029, 93659, 178337, 213087, 280977, 535011, 655613, 1248359, 1966839, 3745077, 13018601, 39055803, 91130207, 273390621]

約数ペア:

[(1, 273390621), (3, 91130207), (7, 39055803), (21, 13018601), (73, 3745077), (139, 1966839), (219, 1248359), (417, 655613), (511, 535011), (973, 280977), (1283, 213087), (1533, 178337), (2919, 93659), (3849, 71029), (8981, 30441), (10147, 26943)]