31270905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 58850064

約数和(自身を除く): 27579159

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 697, 765, 997, 1845, 2091, 2991, 3485, 4985, 6273, 8973, 10455, 14955, 16949, 31365, 40877, 44865, 50847, 84745, 122631, 152541, 204385, 254235, 367893, 613155, 694909, 762705, 1839465, 2084727, 3474545, 6254181, 10423635, 31270905]

約数ペア:

[(1, 31270905), (3, 10423635), (5, 6254181), (9, 3474545), (15, 2084727), (17, 1839465), (41, 762705), (45, 694909), (51, 613155), (85, 367893), (123, 254235), (153, 204385), (205, 152541), (255, 122631), (369, 84745), (615, 50847), (697, 44865), (765, 40877), (997, 31365), (1845, 16949), (2091, 14955), (2991, 10455), (3485, 8973), (4985, 6273)]