2491155

素因数分解:

$3^4\times 5^1\times {\mathrm{6151}}^1$

素因数の和:6168

約数の個数: 20

約数和(自身を含む): 4466352

約数和(自身を除く): 1975197

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6151, 18453, 30755, 55359, 92265, 166077, 276795, 498231, 830385, 2491155]

約数ペア:

[(1, 2491155), (3, 830385), (5, 498231), (9, 276795), (15, 166077), (27, 92265), (45, 55359), (81, 30755), (135, 18453), (405, 6151)]