261332139

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{12601}}^1$

素因数の和:12858

約数の個数: 16

約数和(自身を含む): 361324544

約数和(自身を除く): 99992405

約数列:

[1, 3, 31, 93, 223, 669, 6913, 12601, 20739, 37803, 390631, 1171893, 2810023, 8430069, 87110713, 261332139]

約数ペア:

[(1, 261332139), (3, 87110713), (31, 8430069), (93, 2810023), (223, 1171893), (669, 390631), (6913, 37803), (12601, 20739)]