287996961

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{827}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 471204864

約数和(自身を除く): 183207903

約数列:

[1, 3, 7, 21, 23, 49, 69, 103, 147, 161, 309, 483, 721, 827, 1127, 2163, 2369, 2481, 3381, 5047, 5789, 7107, 15141, 16583, 17367, 19021, 40523, 49749, 57063, 85181, 116081, 121569, 133147, 255543, 348243, 399441, 596267, 932029, 1788801, 1959163, 2796087, 4173869, 5877489, 12521607, 13714141, 41142423, 95998987, 287996961]

約数ペア:

[(1, 287996961), (3, 95998987), (7, 41142423), (21, 13714141), (23, 12521607), (49, 5877489), (69, 4173869), (103, 2796087), (147, 1959163), (161, 1788801), (309, 932029), (483, 596267), (721, 399441), (827, 348243), (1127, 255543), (2163, 133147), (2369, 121569), (2481, 116081), (3381, 85181), (5047, 57063), (5789, 49749), (7107, 40523), (15141, 19021), (16583, 17367)]