23909985

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1789}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 46912320

約数和(自身を除く): 23002335

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1485, 1789, 2673, 4455, 5367, 8945, 13365, 16101, 19679, 26835, 48303, 59037, 80505, 98395, 144909, 177111, 241515, 295185, 434727, 531333, 724545, 885555, 1593999, 2173635, 2656665, 4781997, 7969995, 23909985]

約数ペア:

[(1, 23909985), (3, 7969995), (5, 4781997), (9, 2656665), (11, 2173635), (15, 1593999), (27, 885555), (33, 724545), (45, 531333), (55, 434727), (81, 295185), (99, 241515), (135, 177111), (165, 144909), (243, 98395), (297, 80505), (405, 59037), (495, 48303), (891, 26835), (1215, 19679), (1485, 16101), (1789, 13365), (2673, 8945), (4455, 5367)]