28487277

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4969}}^1$

素因数の和:5002

約数の個数: 36

約数和(自身を含む): 51558780

約数和(自身を除く): 23071503

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 4969, 5733, 14907, 34783, 44721, 64597, 104349, 193791, 243481, 313047, 452179, 581373, 730443, 1356537, 2191329, 3165253, 4069611, 9495759, 28487277]

約数ペア:

[(1, 28487277), (3, 9495759), (7, 4069611), (9, 3165253), (13, 2191329), (21, 1356537), (39, 730443), (49, 581373), (63, 452179), (91, 313047), (117, 243481), (147, 193791), (273, 104349), (441, 64597), (637, 44721), (819, 34783), (1911, 14907), (4969, 5733)]