2821635

素因数分解:

$3^4\times 5^1\times {\mathrm{6967}}^1$

素因数の和:6984

約数の個数: 20

約数和(自身を含む): 5058768

約数和(自身を除く): 2237133

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6967, 20901, 34835, 62703, 104505, 188109, 313515, 564327, 940545, 2821635]

約数ペア:

[(1, 2821635), (3, 940545), (5, 564327), (9, 313515), (15, 188109), (27, 104505), (45, 62703), (81, 34835), (135, 20901), (405, 6967)]