28389009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{3271}}^1$

素因数の和:3548

約数の個数: 16

約数和(自身を含む): 41462784

約数和(自身を除く): 13073775

約数列:

[1, 3, 11, 33, 263, 789, 2893, 3271, 8679, 9813, 35981, 107943, 860273, 2580819, 9463003, 28389009]

約数ペア:

[(1, 28389009), (3, 9463003), (11, 2580819), (33, 860273), (263, 107943), (789, 35981), (2893, 9813), (3271, 8679)]