28077705

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{863}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 22103415

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 723, 863, 1205, 2169, 2589, 3615, 4315, 6507, 7767, 10845, 12945, 23301, 32535, 38835, 116505, 207983, 623949, 1039915, 1871847, 3119745, 5615541, 9359235, 28077705]

約数ペア:

[(1, 28077705), (3, 9359235), (5, 5615541), (9, 3119745), (15, 1871847), (27, 1039915), (45, 623949), (135, 207983), (241, 116505), (723, 38835), (863, 32535), (1205, 23301), (2169, 12945), (2589, 10845), (3615, 7767), (4315, 6507)]