74689797

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 123524352

約数和(自身を除く): 48834555

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1781, 1997, 2877, 5343, 5991, 12467, 13979, 25961, 37401, 41937, 77883, 181727, 273589, 545181, 820767, 1915123, 3556657, 5745369, 10669971, 24896599, 74689797]

約数ペア:

[(1, 74689797), (3, 24896599), (7, 10669971), (13, 5745369), (21, 3556657), (39, 1915123), (91, 820767), (137, 545181), (273, 273589), (411, 181727), (959, 77883), (1781, 41937), (1997, 37401), (2877, 25961), (5343, 13979), (5991, 12467)]