28258461

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{337}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 51462528

約数和(自身を除く): 23204067

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 337, 363, 693, 847, 1011, 1089, 1331, 2359, 2541, 3033, 3707, 3993, 7077, 7623, 9317, 11121, 11979, 21231, 25949, 27951, 33363, 40777, 77847, 83853, 122331, 233541, 285439, 366993, 448547, 856317, 1345641, 2568951, 3139829, 4036923, 9419487, 28258461]

約数ペア:

[(1, 28258461), (3, 9419487), (7, 4036923), (9, 3139829), (11, 2568951), (21, 1345641), (33, 856317), (63, 448547), (77, 366993), (99, 285439), (121, 233541), (231, 122331), (337, 83853), (363, 77847), (693, 40777), (847, 33363), (1011, 27951), (1089, 25949), (1331, 21231), (2359, 11979), (2541, 11121), (3033, 9317), (3707, 7623), (3993, 7077)]