18180585

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 32590080

約数和(自身を除く): 14409495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 983, 1233, 2055, 2949, 3699, 4915, 6165, 8847, 14745, 18495, 26541, 44235, 132705, 134671, 404013, 673355, 1212039, 2020065, 3636117, 6060195, 18180585]

約数ペア:

[(1, 18180585), (3, 6060195), (5, 3636117), (9, 2020065), (15, 1212039), (27, 673355), (45, 404013), (135, 134671), (137, 132705), (411, 44235), (685, 26541), (983, 18495), (1233, 14745), (2055, 8847), (2949, 6165), (3699, 4915)]