15974361

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 25885440

約数和(自身を除く): 9911079

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 641, 923, 1917, 1923, 2769, 5769, 8307, 8333, 17307, 24921, 24999, 45511, 74997, 136533, 224991, 409599, 591643, 1228797, 1774929, 5324787, 15974361]

約数ペア:

[(1, 15974361), (3, 5324787), (9, 1774929), (13, 1228797), (27, 591643), (39, 409599), (71, 224991), (117, 136533), (213, 74997), (351, 45511), (639, 24999), (641, 24921), (923, 17307), (1917, 8333), (1923, 8307), (2769, 5769)]