7771155

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 14747040

約数和(自身を除く): 6975885

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 109, 147, 245, 291, 327, 485, 545, 679, 735, 763, 1455, 1635, 2037, 2289, 3395, 3815, 4753, 5341, 10185, 10573, 11445, 14259, 16023, 23765, 26705, 31719, 52865, 71295, 74011, 80115, 158595, 222033, 370055, 518077, 1110165, 1554231, 2590385, 7771155]

約数ペア:

[(1, 7771155), (3, 2590385), (5, 1554231), (7, 1110165), (15, 518077), (21, 370055), (35, 222033), (49, 158595), (97, 80115), (105, 74011), (109, 71295), (147, 52865), (245, 31719), (291, 26705), (327, 23765), (485, 16023), (545, 14259), (679, 11445), (735, 10573), (763, 10185), (1455, 5341), (1635, 4753), (2037, 3815), (2289, 3395)]