2878725

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 4812192

約数和(自身を除く): 1933467

約数列:

[1, 3, 5, 15, 25, 75, 131, 293, 393, 655, 879, 1465, 1965, 3275, 4395, 7325, 9825, 21975, 38383, 115149, 191915, 575745, 959575, 2878725]

約数ペア:

[(1, 2878725), (3, 959575), (5, 575745), (15, 191915), (25, 115149), (75, 38383), (131, 21975), (293, 9825), (393, 7325), (655, 4395), (879, 3275), (1465, 1965)]