1215555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 2177280

約数和(自身を除く): 961725

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 139, 159, 165, 265, 417, 583, 695, 795, 1529, 1749, 2085, 2915, 4587, 7367, 7645, 8745, 22101, 22935, 36835, 81037, 110505, 243111, 405185, 1215555]

約数ペア:

[(1, 1215555), (3, 405185), (5, 243111), (11, 110505), (15, 81037), (33, 36835), (53, 22935), (55, 22101), (139, 8745), (159, 7645), (165, 7367), (265, 4587), (417, 2915), (583, 2085), (695, 1749), (795, 1529)]