1278778875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2441}}^1$

素因数の和:2597

約数の個数: 64

約数和(自身を含む): 2340569088

約数和(自身を除く): 1061790213

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 127, 165, 275, 375, 381, 635, 825, 1375, 1397, 1905, 2441, 3175, 4125, 4191, 6985, 7323, 9525, 12205, 15875, 20955, 26851, 34925, 36615, 47625, 61025, 80553, 104775, 134255, 174625, 183075, 305125, 310007, 402765, 523875, 671275, 915375, 930021, 1550035, 2013825, 3356375, 3410077, 4650105, 7750175, 10069125, 10230231, 17050385, 23250525, 38750875, 51151155, 85251925, 116252625, 255755775, 426259625, 1278778875]

約数ペア:

[(1, 1278778875), (3, 426259625), (5, 255755775), (11, 116252625), (15, 85251925), (25, 51151155), (33, 38750875), (55, 23250525), (75, 17050385), (125, 10230231), (127, 10069125), (165, 7750175), (275, 4650105), (375, 3410077), (381, 3356375), (635, 2013825), (825, 1550035), (1375, 930021), (1397, 915375), (1905, 671275), (2441, 523875), (3175, 402765), (4125, 310007), (4191, 305125), (6985, 183075), (7323, 174625), (9525, 134255), (12205, 104775), (15875, 80553), (20955, 61025), (26851, 47625), (34925, 36615)]