1307745

素因数分解:

$3^4\times 5^1\times {\mathrm{3229}}^1$

素因数の和:3246

約数の個数: 20

約数和(自身を含む): 2344980

約数和(自身を除く): 1037235

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3229, 9687, 16145, 29061, 48435, 87183, 145305, 261549, 435915, 1307745]

約数ペア:

[(1, 1307745), (3, 435915), (5, 261549), (9, 145305), (15, 87183), (27, 48435), (45, 29061), (81, 16145), (135, 9687), (405, 3229)]