987633

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 20

約数和(自身を含む): 1502820

約数和(自身を除く): 515187

約数列:

[1, 3, 9, 27, 81, 89, 137, 267, 411, 801, 1233, 2403, 3699, 7209, 11097, 12193, 36579, 109737, 329211, 987633]

約数ペア:

[(1, 987633), (3, 329211), (9, 109737), (27, 36579), (81, 12193), (89, 11097), (137, 7209), (267, 3699), (411, 2403), (801, 1233)]