28141263

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{1321}}^1$

素因数の和:1596

約数の個数: 20

約数和(自身を含む): 42229968

約数和(自身を除く): 14088705

約数列:

[1, 3, 9, 27, 81, 263, 789, 1321, 2367, 3963, 7101, 11889, 21303, 35667, 107001, 347423, 1042269, 3126807, 9380421, 28141263]

約数ペア:

[(1, 28141263), (3, 9380421), (9, 3126807), (27, 1042269), (81, 347423), (263, 107001), (789, 35667), (1321, 21303), (2367, 11889), (3963, 7101)]