4187781

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 6972504

約数和(自身を除く): 2784723

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 97, 117, 123, 291, 351, 369, 533, 873, 1053, 1107, 1261, 1599, 2619, 3321, 3783, 3977, 4797, 7857, 11349, 11931, 14391, 34047, 35793, 43173, 51701, 102141, 107379, 155103, 322137, 465309, 1395927, 4187781]

約数ペア:

[(1, 4187781), (3, 1395927), (9, 465309), (13, 322137), (27, 155103), (39, 107379), (41, 102141), (81, 51701), (97, 43173), (117, 35793), (123, 34047), (291, 14391), (351, 11931), (369, 11349), (533, 7857), (873, 4797), (1053, 3977), (1107, 3783), (1261, 3321), (1599, 2619)]