28559277

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 44160000

約数和(自身を除く): 15600723

約数列:

[1, 3, 9, 27, 31, 93, 149, 229, 279, 447, 687, 837, 1341, 2061, 4023, 4619, 6183, 7099, 13857, 21297, 34121, 41571, 63891, 102363, 124713, 191673, 307089, 921267, 1057751, 3173253, 9519759, 28559277]

約数ペア:

[(1, 28559277), (3, 9519759), (9, 3173253), (27, 1057751), (31, 921267), (93, 307089), (149, 191673), (229, 124713), (279, 102363), (447, 63891), (687, 41571), (837, 34121), (1341, 21297), (2061, 13857), (4023, 7099), (4619, 6183)]