2990475

素因数分解:

$3^2\times 5^2\times {\mathrm{13291}}^1$

素因数の和:13307

約数の個数: 18

約数和(自身を含む): 5356676

約数和(自身を除く): 2366201

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 13291, 39873, 66455, 119619, 199365, 332275, 598095, 996825, 2990475]

約数ペア:

[(1, 2990475), (3, 996825), (5, 598095), (9, 332275), (15, 199365), (25, 119619), (45, 66455), (75, 39873), (225, 13291)]