27782655

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1373}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 47485440

約数和(自身を除く): 19702785

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 1373, 4047, 4119, 6745, 6865, 20235, 20595, 26087, 78261, 97483, 130435, 292449, 391305, 487415, 1462245, 1852177, 5556531, 9260885, 27782655]

約数ペア:

[(1, 27782655), (3, 9260885), (5, 5556531), (15, 1852177), (19, 1462245), (57, 487415), (71, 391305), (95, 292449), (213, 130435), (285, 97483), (355, 78261), (1065, 26087), (1349, 20595), (1373, 20235), (4047, 6865), (4119, 6745)]