7945047

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 13352592

約数和(自身を除く): 5407545

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 241, 297, 333, 407, 723, 891, 999, 1221, 2169, 2651, 2997, 3663, 6507, 7953, 8917, 10989, 19521, 23859, 26751, 32967, 71577, 80253, 98087, 214731, 240759, 294261, 722277, 882783, 2648349, 7945047]

約数ペア:

[(1, 7945047), (3, 2648349), (9, 882783), (11, 722277), (27, 294261), (33, 240759), (37, 214731), (81, 98087), (99, 80253), (111, 71577), (241, 32967), (297, 26751), (333, 23859), (407, 19521), (723, 10989), (891, 8917), (999, 7953), (1221, 6507), (2169, 3663), (2651, 2997)]