1240515

素因数分解:

$3^5\times 5^1\times {\mathrm{1021}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 2232048

約数和(自身を除く): 991533

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1021, 1215, 3063, 5105, 9189, 15315, 27567, 45945, 82701, 137835, 248103, 413505, 1240515]

約数ペア:

[(1, 1240515), (3, 413505), (5, 248103), (9, 137835), (15, 82701), (27, 45945), (45, 27567), (81, 15315), (135, 9189), (243, 5105), (405, 3063), (1021, 1215)]