12762687

素因数分解:

$3^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 20224000

約数和(自身を除く): 7461313

約数列:

[1, 3, 7, 21, 49, 79, 147, 157, 237, 343, 471, 553, 1029, 1099, 1659, 3297, 3871, 7693, 11613, 12403, 23079, 27097, 37209, 53851, 81291, 86821, 161553, 260463, 607747, 1823241, 4254229, 12762687]

約数ペア:

[(1, 12762687), (3, 4254229), (7, 1823241), (21, 607747), (49, 260463), (79, 161553), (147, 86821), (157, 81291), (237, 53851), (343, 37209), (471, 27097), (553, 23079), (1029, 12403), (1099, 11613), (1659, 7693), (3297, 3871)]