28088697

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3319}}^1$

素因数の和:3373

約数の個数: 32

約数和(自身を含む): 47595520

約数和(自身を除く): 19506823

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 3319, 8463, 9957, 23233, 43147, 69699, 102889, 129441, 302029, 308667, 720223, 906087, 1337557, 2160669, 4012671, 9362899, 28088697]

約数ペア:

[(1, 28088697), (3, 9362899), (7, 4012671), (13, 2160669), (21, 1337557), (31, 906087), (39, 720223), (91, 308667), (93, 302029), (217, 129441), (273, 102889), (403, 69699), (651, 43147), (1209, 23233), (2821, 9957), (3319, 8463)]