18580065

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1487}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 36640512

約数和(自身を除く): 18060447

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1487, 1785, 2499, 4165, 4461, 7435, 10409, 12495, 22305, 25279, 31227, 52045, 72863, 75837, 126395, 156135, 176953, 218589, 364315, 379185, 530859, 884765, 1092945, 1238671, 2654295, 3716013, 6193355, 18580065]

約数ペア:

[(1, 18580065), (3, 6193355), (5, 3716013), (7, 2654295), (15, 1238671), (17, 1092945), (21, 884765), (35, 530859), (49, 379185), (51, 364315), (85, 218589), (105, 176953), (119, 156135), (147, 126395), (245, 75837), (255, 72863), (357, 52045), (595, 31227), (735, 25279), (833, 22305), (1487, 12495), (1785, 10409), (2499, 7435), (4165, 4461)]