720974787

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1\times {\mathrm{5407}}^1$

素因数の和:5699

約数の個数: 24

約数和(自身を含む): 1045085184

約数和(自身を除く): 324110397

約数列:

[1, 3, 13, 39, 169, 263, 507, 789, 3419, 5407, 10257, 16221, 44447, 70291, 133341, 210873, 913783, 1422041, 2741349, 4266123, 18486533, 55459599, 240324929, 720974787]

約数ペア:

[(1, 720974787), (3, 240324929), (13, 55459599), (39, 18486533), (169, 4266123), (263, 2741349), (507, 1422041), (789, 913783), (3419, 210873), (5407, 133341), (10257, 70291), (16221, 44447)]