68317275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1709}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 124679520

約数和(自身を除く): 56362245

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 533, 615, 975, 1025, 1599, 1709, 2665, 3075, 5127, 7995, 8545, 13325, 22217, 25635, 39975, 42725, 66651, 70069, 111085, 128175, 210207, 333255, 350345, 555425, 910897, 1051035, 1666275, 1751725, 2732691, 4554485, 5255175, 13663455, 22772425, 68317275]

約数ペア:

[(1, 68317275), (3, 22772425), (5, 13663455), (13, 5255175), (15, 4554485), (25, 2732691), (39, 1751725), (41, 1666275), (65, 1051035), (75, 910897), (123, 555425), (195, 350345), (205, 333255), (325, 210207), (533, 128175), (615, 111085), (975, 70069), (1025, 66651), (1599, 42725), (1709, 39975), (2665, 25635), (3075, 22217), (5127, 13325), (7995, 8545)]