12688785

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 22721280

約数和(自身を除く): 10032495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 487, 579, 965, 1461, 1737, 2435, 2895, 4383, 5211, 7305, 8685, 13149, 21915, 26055, 65745, 93991, 281973, 469955, 845919, 1409865, 2537757, 4229595, 12688785]

約数ペア:

[(1, 12688785), (3, 4229595), (5, 2537757), (9, 1409865), (15, 845919), (27, 469955), (45, 281973), (135, 93991), (193, 65745), (487, 26055), (579, 21915), (965, 13149), (1461, 8685), (1737, 7305), (2435, 5211), (2895, 4383)]