18277569

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 29272320

約数和(自身を除く): 10994751

約数列:

[1, 3, 9, 27, 29, 31, 81, 87, 93, 251, 261, 279, 753, 783, 837, 899, 2259, 2349, 2511, 2697, 6777, 7279, 7781, 8091, 20331, 21837, 23343, 24273, 65511, 70029, 72819, 196533, 210087, 225649, 589599, 630261, 676947, 2030841, 6092523, 18277569]

約数ペア:

[(1, 18277569), (3, 6092523), (9, 2030841), (27, 676947), (29, 630261), (31, 589599), (81, 225649), (87, 210087), (93, 196533), (251, 72819), (261, 70029), (279, 65511), (753, 24273), (783, 23343), (837, 21837), (899, 20331), (2259, 8091), (2349, 7781), (2511, 7279), (2697, 6777)]