31986143

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 37455936

約数和(自身を除く): 5469793

約数列:

[1, 7, 61, 173, 427, 433, 1211, 3031, 10553, 26413, 73871, 74909, 184891, 524363, 4569449, 31986143]

約数ペア:

[(1, 31986143), (7, 4569449), (61, 524363), (173, 184891), (427, 74909), (433, 73871), (1211, 26413), (3031, 10553)]