39900225

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 68567040

約数和(自身を除く): 28666815

約数列:

[1, 3, 5, 15, 25, 59, 71, 75, 127, 177, 213, 295, 355, 381, 635, 885, 1065, 1475, 1775, 1905, 3175, 4189, 4425, 5325, 7493, 9017, 9525, 12567, 20945, 22479, 27051, 37465, 45085, 62835, 104725, 112395, 135255, 187325, 225425, 314175, 532003, 561975, 676275, 1596009, 2660015, 7980045, 13300075, 39900225]

約数ペア:

[(1, 39900225), (3, 13300075), (5, 7980045), (15, 2660015), (25, 1596009), (59, 676275), (71, 561975), (75, 532003), (127, 314175), (177, 225425), (213, 187325), (295, 135255), (355, 112395), (381, 104725), (635, 62835), (885, 45085), (1065, 37465), (1475, 27051), (1775, 22479), (1905, 20945), (3175, 12567), (4189, 9525), (4425, 9017), (5325, 7493)]