256387599

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{293}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 416506272

約数和(自身を除く): 160118673

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 277, 293, 351, 831, 879, 1053, 2493, 2637, 3159, 3601, 3809, 7479, 7911, 10803, 11427, 22437, 23733, 32409, 34281, 67311, 71199, 81161, 97227, 102843, 243483, 291681, 308529, 730449, 875043, 925587, 1055093, 2191347, 3165279, 6574041, 9495837, 19722123, 28487511, 85462533, 256387599]

約数ペア:

[(1, 256387599), (3, 85462533), (9, 28487511), (13, 19722123), (27, 9495837), (39, 6574041), (81, 3165279), (117, 2191347), (243, 1055093), (277, 925587), (293, 875043), (351, 730449), (831, 308529), (879, 291681), (1053, 243483), (2493, 102843), (2637, 97227), (3159, 81161), (3601, 71199), (3809, 67311), (7479, 34281), (7911, 32409), (10803, 23733), (11427, 22437)]