13121649

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 20474880

約数和(自身を除く): 7353231

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 257, 279, 549, 771, 837, 1647, 1891, 2313, 5673, 6939, 7967, 15677, 17019, 23901, 47031, 51057, 71703, 141093, 215109, 423279, 485987, 1457961, 4373883, 13121649]

約数ペア:

[(1, 13121649), (3, 4373883), (9, 1457961), (27, 485987), (31, 423279), (61, 215109), (93, 141093), (183, 71703), (257, 51057), (279, 47031), (549, 23901), (771, 17019), (837, 15677), (1647, 7967), (1891, 6939), (2313, 5673)]