2825685

素因数分解:

$3^4\times 5^1\times {\mathrm{6977}}^1$

素因数の和:6994

約数の個数: 20

約数和(自身を含む): 5066028

約数和(自身を除く): 2240343

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6977, 20931, 34885, 62793, 104655, 188379, 313965, 565137, 941895, 2825685]

約数ペア:

[(1, 2825685), (3, 941895), (5, 565137), (9, 313965), (15, 188379), (27, 104655), (45, 62793), (81, 34885), (135, 20931), (405, 6977)]