289779861

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{4447}}^1$

素因数の和:4593

約数の個数: 32

約数和(自身を含む): 461168640

約数和(自身を除く): 171388779

約数列:

[1, 3, 7, 21, 29, 87, 107, 203, 321, 609, 749, 2247, 3103, 4447, 9309, 13341, 21721, 31129, 65163, 93387, 128963, 386889, 475829, 902741, 1427487, 2708223, 3330803, 9992409, 13799041, 41397123, 96593287, 289779861]

約数ペア:

[(1, 289779861), (3, 96593287), (7, 41397123), (21, 13799041), (29, 9992409), (87, 3330803), (107, 2708223), (203, 1427487), (321, 902741), (609, 475829), (749, 386889), (2247, 128963), (3103, 93387), (4447, 65163), (9309, 31129), (13341, 21721)]