90480987

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:892

約数の個数: 36

約数和(自身を含む): 142239240

約数和(自身を除く): 51758253

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 289, 387, 731, 809, 867, 2193, 2427, 2601, 6579, 7281, 12427, 13753, 34787, 37281, 41259, 104361, 111843, 123777, 233801, 313083, 591379, 701403, 1774137, 2104209, 5322411, 10053443, 30160329, 90480987]

約数ペア:

[(1, 90480987), (3, 30160329), (9, 10053443), (17, 5322411), (43, 2104209), (51, 1774137), (129, 701403), (153, 591379), (289, 313083), (387, 233801), (731, 123777), (809, 111843), (867, 104361), (2193, 41259), (2427, 37281), (2601, 34787), (6579, 13753), (7281, 12427)]