51581817

素因数分解:

$3^2\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1327}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 85353216

約数和(自身を除く): 33771399

約数列:

[1, 3, 7, 9, 21, 63, 617, 1327, 1851, 3981, 4319, 5553, 9289, 11943, 12957, 27867, 38871, 83601, 818759, 2456277, 5731313, 7368831, 17193939, 51581817]

約数ペア:

[(1, 51581817), (3, 17193939), (7, 7368831), (9, 5731313), (21, 2456277), (63, 818759), (617, 83601), (1327, 38871), (1851, 27867), (3981, 12957), (4319, 11943), (5553, 9289)]