68316555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 115706880

約数和(自身を除く): 47390325

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 2789, 4899, 8165, 8367, 13945, 24495, 41835, 64147, 192441, 198019, 320735, 594057, 962205, 990095, 2970285, 4554437, 13663311, 22772185, 68316555]

約数ペア:

[(1, 68316555), (3, 22772185), (5, 13663311), (15, 4554437), (23, 2970285), (69, 990095), (71, 962205), (115, 594057), (213, 320735), (345, 198019), (355, 192441), (1065, 64147), (1633, 41835), (2789, 24495), (4899, 13945), (8165, 8367)]