13031487

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1579}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 21690240

約数和(自身を除く): 8658753

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 1579, 2751, 4737, 8253, 11053, 14211, 33159, 99477, 206849, 620547, 1447943, 1861641, 4343829, 13031487]

約数ペア:

[(1, 13031487), (3, 4343829), (7, 1861641), (9, 1447943), (21, 620547), (63, 206849), (131, 99477), (393, 33159), (917, 14211), (1179, 11053), (1579, 8253), (2751, 4737)]