207854991

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 321995520

約数和(自身を除く): 114140529

約数列:

[1, 3, 9, 27, 43, 81, 83, 129, 249, 387, 719, 747, 1161, 2157, 2241, 3483, 3569, 6471, 6723, 10707, 19413, 30917, 32121, 58239, 59677, 92751, 96363, 179031, 278253, 289089, 537093, 834759, 1611279, 2504277, 2566111, 4833837, 7698333, 23094999, 69284997, 207854991]

約数ペア:

[(1, 207854991), (3, 69284997), (9, 23094999), (27, 7698333), (43, 4833837), (81, 2566111), (83, 2504277), (129, 1611279), (249, 834759), (387, 537093), (719, 289089), (747, 278253), (1161, 179031), (2157, 96363), (2241, 92751), (3483, 59677), (3569, 58239), (6471, 32121), (6723, 30917), (10707, 19413)]