28269081

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{1327}}^1$

素因数の和:1602

約数の個数: 20

約数和(自身を含む): 42421632

約数和(自身を除く): 14152551

約数列:

[1, 3, 9, 27, 81, 263, 789, 1327, 2367, 3981, 7101, 11943, 21303, 35829, 107487, 349001, 1047003, 3141009, 9423027, 28269081]

約数ペア:

[(1, 28269081), (3, 9423027), (9, 3141009), (27, 1047003), (81, 349001), (263, 107487), (789, 35829), (1327, 21303), (2367, 11943), (3981, 7101)]