207640797

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40031}}^1$

素因数の和:40073

約数の個数: 32

約数和(自身を含む): 358686720

約数和(自身を除く): 151045923

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 40031, 120093, 280217, 520403, 760589, 840651, 1561209, 2281767, 3642821, 5324123, 9887657, 10928463, 15972369, 29662971, 69213599, 207640797]

約数ペア:

[(1, 207640797), (3, 69213599), (7, 29662971), (13, 15972369), (19, 10928463), (21, 9887657), (39, 5324123), (57, 3642821), (91, 2281767), (133, 1561209), (247, 840651), (273, 760589), (399, 520403), (741, 280217), (1729, 120093), (5187, 40031)]