15791607

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 24923808

約数和(自身を除く): 9132201

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 1901, 2769, 5703, 8307, 17109, 24713, 74139, 134971, 222417, 404913, 1214739, 1754623, 5263869, 15791607]

約数ペア:

[(1, 15791607), (3, 5263869), (9, 1754623), (13, 1214739), (39, 404913), (71, 222417), (117, 134971), (213, 74139), (639, 24713), (923, 17109), (1901, 8307), (2769, 5703)]