28872567

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 43980768

約数和(自身を除く): 15108201

約数列:

[1, 3, 9, 23, 69, 101, 207, 303, 909, 1381, 2323, 4143, 6969, 12429, 20907, 31763, 95289, 139481, 285867, 418443, 1255329, 3208063, 9624189, 28872567]

約数ペア:

[(1, 28872567), (3, 9624189), (9, 3208063), (23, 1255329), (69, 418443), (101, 285867), (207, 139481), (303, 95289), (909, 31763), (1381, 20907), (2323, 12429), (4143, 6969)]