28987569

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2273}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 45525480

約数和(自身を除く): 16537911

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 2273, 4251, 6819, 12753, 20457, 29549, 88647, 247757, 265941, 743271, 2229813, 3220841, 9662523, 28987569]

約数ペア:

[(1, 28987569), (3, 9662523), (9, 3220841), (13, 2229813), (39, 743271), (109, 265941), (117, 247757), (327, 88647), (981, 29549), (1417, 20457), (2273, 12753), (4251, 6819)]