28309665

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2709

約数の個数: 32

約数和(自身を含む): 48807936

約数和(自身を除く): 20498271

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 2647, 3565, 7941, 10695, 13235, 39705, 60881, 82057, 182643, 246171, 304405, 410285, 913215, 1230855, 1887311, 5661933, 9436555, 28309665]

約数ペア:

[(1, 28309665), (3, 9436555), (5, 5661933), (15, 1887311), (23, 1230855), (31, 913215), (69, 410285), (93, 304405), (115, 246171), (155, 182643), (345, 82057), (465, 60881), (713, 39705), (2139, 13235), (2647, 10695), (3565, 7941)]