27980911

素因数分解:

$7^3\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 24

約数和(自身を含む): 34143200

約数和(自身を除く): 6162289

約数列:

[1, 7, 29, 49, 97, 203, 343, 679, 841, 1421, 2813, 4753, 5887, 9947, 19691, 33271, 41209, 81577, 137837, 288463, 571039, 964859, 3997273, 27980911]

約数ペア:

[(1, 27980911), (7, 3997273), (29, 964859), (49, 571039), (97, 288463), (203, 137837), (343, 81577), (679, 41209), (841, 33271), (1421, 19691), (2813, 9947), (4753, 5887)]