68912907

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2861}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 111366144

約数和(自身を除く): 42453237

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 1147, 2861, 3441, 8029, 8583, 20027, 24087, 60081, 88691, 105857, 266073, 317571, 620837, 740999, 1862511, 2222997, 3281567, 9844701, 22970969, 68912907]

約数ペア:

[(1, 68912907), (3, 22970969), (7, 9844701), (21, 3281567), (31, 2222997), (37, 1862511), (93, 740999), (111, 620837), (217, 317571), (259, 266073), (651, 105857), (777, 88691), (1147, 60081), (2861, 24087), (3441, 20027), (8029, 8583)]