28359261

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{829}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 48339200

約数和(自身を除く): 19979939

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 829, 1267, 1629, 2487, 3801, 4887, 5803, 7461, 11403, 17409, 22383, 34209, 52227, 150049, 156681, 450147, 1050343, 1350441, 3151029, 4051323, 9453087, 28359261]

約数ペア:

[(1, 28359261), (3, 9453087), (7, 4051323), (9, 3151029), (21, 1350441), (27, 1050343), (63, 450147), (181, 156681), (189, 150049), (543, 52227), (829, 34209), (1267, 22383), (1629, 17409), (2487, 11403), (3801, 7461), (4887, 5803)]