2818395

素因数分解:

$3^4\times 5^1\times {\mathrm{6959}}^1$

素因数の和:6976

約数の個数: 20

約数和(自身を含む): 5052960

約数和(自身を除く): 2234565

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6959, 20877, 34795, 62631, 104385, 187893, 313155, 563679, 939465, 2818395]

約数ペア:

[(1, 2818395), (3, 939465), (5, 563679), (9, 313155), (15, 187893), (27, 104385), (45, 62631), (81, 34795), (135, 20877), (405, 6959)]