2801385

素因数分解:

$3^4\times 5^1\times {\mathrm{6917}}^1$

素因数の和:6934

約数の個数: 20

約数和(自身を含む): 5022468

約数和(自身を除く): 2221083

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6917, 20751, 34585, 62253, 103755, 186759, 311265, 560277, 933795, 2801385]

約数ペア:

[(1, 2801385), (3, 933795), (5, 560277), (9, 311265), (15, 186759), (27, 103755), (45, 62253), (81, 34585), (135, 20751), (405, 6917)]