90986571

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 148557024

約数和(自身を除く): 57570453

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 639, 923, 1053, 1217, 1917, 2769, 3651, 5751, 8307, 10953, 15821, 24921, 32859, 47463, 74763, 86407, 98577, 142389, 259221, 427167, 777663, 1123291, 1281501, 2332989, 3369873, 6998967, 10109619, 30328857, 90986571]

約数ペア:

[(1, 90986571), (3, 30328857), (9, 10109619), (13, 6998967), (27, 3369873), (39, 2332989), (71, 1281501), (81, 1123291), (117, 777663), (213, 427167), (351, 259221), (639, 142389), (923, 98577), (1053, 86407), (1217, 74763), (1917, 47463), (2769, 32859), (3651, 24921), (5751, 15821), (8307, 10953)]