2986893

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 5415228

約数和(自身を除く): 2428335

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 521, 637, 819, 1563, 1911, 3647, 4689, 5733, 6773, 10941, 20319, 25529, 32823, 47411, 60957, 76587, 142233, 229761, 331877, 426699, 995631, 2986893]

約数ペア:

[(1, 2986893), (3, 995631), (7, 426699), (9, 331877), (13, 229761), (21, 142233), (39, 76587), (49, 60957), (63, 47411), (91, 32823), (117, 25529), (147, 20319), (273, 10941), (441, 6773), (521, 5733), (637, 4689), (819, 3647), (1563, 1911)]