90980901

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 150591168

約数和(自身を除く): 59610267

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 101, 243, 297, 303, 337, 891, 909, 1011, 1111, 2673, 2727, 3033, 3333, 3707, 8181, 9099, 9999, 11121, 24543, 27297, 29997, 33363, 34037, 81891, 89991, 100089, 102111, 269973, 300267, 306333, 374407, 900801, 918999, 1123221, 2756997, 3369663, 8270991, 10108989, 30326967, 90980901]

約数ペア:

[(1, 90980901), (3, 30326967), (9, 10108989), (11, 8270991), (27, 3369663), (33, 2756997), (81, 1123221), (99, 918999), (101, 900801), (243, 374407), (297, 306333), (303, 300267), (337, 269973), (891, 102111), (909, 100089), (1011, 89991), (1111, 81891), (2673, 34037), (2727, 33363), (3033, 29997), (3333, 27297), (3707, 24543), (8181, 11121), (9099, 9999)]