13122765

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 24560640

約数和(自身を除く): 11437875

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 409, 465, 713, 1035, 1227, 1395, 2045, 2139, 3565, 3681, 6135, 6417, 9407, 10695, 12679, 18405, 28221, 32085, 38037, 47035, 63395, 84663, 114111, 141105, 190185, 291617, 423315, 570555, 874851, 1458085, 2624553, 4374255, 13122765]

約数ペア:

[(1, 13122765), (3, 4374255), (5, 2624553), (9, 1458085), (15, 874851), (23, 570555), (31, 423315), (45, 291617), (69, 190185), (93, 141105), (115, 114111), (155, 84663), (207, 63395), (279, 47035), (345, 38037), (409, 32085), (465, 28221), (713, 18405), (1035, 12679), (1227, 10695), (1395, 9407), (2045, 6417), (2139, 6135), (3565, 3681)]