2491905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{983}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 4321728

約数和(自身を除く): 1829823

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 983, 2535, 2949, 4915, 12779, 14745, 38337, 63895, 166127, 191685, 498381, 830635, 2491905]

約数ペア:

[(1, 2491905), (3, 830635), (5, 498381), (13, 191685), (15, 166127), (39, 63895), (65, 38337), (169, 14745), (195, 12779), (507, 4915), (845, 2949), (983, 2535)]