28272555

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8849}}^1$

素因数の和:8931

約数の個数: 24

約数和(自身を含む): 49701600

約数和(自身を除く): 21429045

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 8849, 26547, 44245, 79641, 132735, 398205, 628279, 1884837, 3141395, 5654511, 9424185, 28272555]

約数ペア:

[(1, 28272555), (3, 9424185), (5, 5654511), (9, 3141395), (15, 1884837), (45, 628279), (71, 398205), (213, 132735), (355, 79641), (639, 44245), (1065, 26547), (3195, 8849)]