15989769

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 24041472

約数和(自身を除く): 8051703

約数列:

[1, 3, 9, 31, 93, 223, 257, 279, 669, 771, 2007, 2313, 6913, 7967, 20739, 23901, 57311, 62217, 71703, 171933, 515799, 1776641, 5329923, 15989769]

約数ペア:

[(1, 15989769), (3, 5329923), (9, 1776641), (31, 515799), (93, 171933), (223, 71703), (257, 62217), (279, 57311), (669, 23901), (771, 20739), (2007, 7967), (2313, 6913)]