131493661

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 154832640

約数和(自身を除く): 23338979

約数列:

[1, 13, 19, 31, 169, 247, 403, 589, 1321, 3211, 5239, 7657, 17173, 25099, 40951, 99541, 223249, 326287, 532363, 778069, 4241731, 6920719, 10114897, 131493661]

約数ペア:

[(1, 131493661), (13, 10114897), (19, 6920719), (31, 4241731), (169, 778069), (247, 532363), (403, 326287), (589, 223249), (1321, 99541), (3211, 40951), (5239, 25099), (7657, 17173)]