38870925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 69727680

約数和(自身を除く): 30856755

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 645, 709, 731, 1075, 1275, 2127, 2193, 3225, 3545, 3655, 10635, 10965, 12053, 17725, 18275, 30487, 36159, 53175, 54825, 60265, 91461, 152435, 180795, 301325, 457305, 518279, 762175, 903975, 1554837, 2286525, 2591395, 7774185, 12956975, 38870925]

約数ペア:

[(1, 38870925), (3, 12956975), (5, 7774185), (15, 2591395), (17, 2286525), (25, 1554837), (43, 903975), (51, 762175), (75, 518279), (85, 457305), (129, 301325), (215, 180795), (255, 152435), (425, 91461), (645, 60265), (709, 54825), (731, 53175), (1075, 36159), (1275, 30487), (2127, 18275), (2193, 17725), (3225, 12053), (3545, 10965), (3655, 10635)]