28657629

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3181}}^1$

素因数の和:3218

約数の個数: 48

約数和(自身を含む): 55595904

約数和(自身を除く): 26938275

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 3003, 3181, 9009, 9543, 22267, 28629, 34991, 41353, 66801, 104973, 124059, 200403, 244937, 289471, 314919, 372177, 454883, 734811, 868413, 1364649, 2204433, 2605239, 3184181, 4093947, 9552543, 28657629]

約数ペア:

[(1, 28657629), (3, 9552543), (7, 4093947), (9, 3184181), (11, 2605239), (13, 2204433), (21, 1364649), (33, 868413), (39, 734811), (63, 454883), (77, 372177), (91, 314919), (99, 289471), (117, 244937), (143, 200403), (231, 124059), (273, 104973), (429, 66801), (693, 41353), (819, 34991), (1001, 28629), (1287, 22267), (3003, 9543), (3181, 9009)]