28004691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2251}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 45400320

約数和(自身を除く): 17395629

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 957, 1131, 2251, 4147, 6753, 12441, 24761, 29263, 65279, 74283, 87789, 195837, 321893, 718069, 848627, 965679, 2154207, 2545881, 9334897, 28004691]

約数ペア:

[(1, 28004691), (3, 9334897), (11, 2545881), (13, 2154207), (29, 965679), (33, 848627), (39, 718069), (87, 321893), (143, 195837), (319, 87789), (377, 74283), (429, 65279), (957, 29263), (1131, 24761), (2251, 12441), (4147, 6753)]