971595

素因数分解:

$3^4\times 5^1\times {\mathrm{2399}}^1$

素因数の和:2416

約数の個数: 20

約数和(自身を含む): 1742400

約数和(自身を除く): 770805

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2399, 7197, 11995, 21591, 35985, 64773, 107955, 194319, 323865, 971595]

約数ペア:

[(1, 971595), (3, 323865), (5, 194319), (9, 107955), (15, 64773), (27, 35985), (45, 21591), (81, 11995), (135, 7197), (405, 2399)]