3987291

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 6806016

約数和(自身を除く): 2818725

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 421, 451, 861, 1263, 1353, 2947, 3157, 4631, 8841, 9471, 13893, 17261, 32417, 51783, 97251, 120827, 189871, 362481, 569613, 1329097, 3987291]

約数ペア:

[(1, 3987291), (3, 1329097), (7, 569613), (11, 362481), (21, 189871), (33, 120827), (41, 97251), (77, 51783), (123, 32417), (231, 17261), (287, 13893), (421, 9471), (451, 8841), (861, 4631), (1263, 3157), (1353, 2947)]