2009991105

素因数分解:

$3^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{13523}}^1$

素因数の和:13907

約数の個数: 40

約数和(自身を含む): 3613180032

約数和(自身を除く): 1603188927

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 367, 405, 1101, 1835, 3303, 5505, 9909, 13523, 16515, 29727, 40569, 49545, 67615, 121707, 148635, 202845, 365121, 608535, 1095363, 1825605, 4962941, 5476815, 14888823, 24814705, 44666469, 74444115, 133999407, 223332345, 401998221, 669997035, 2009991105]

約数ペア:

[(1, 2009991105), (3, 669997035), (5, 401998221), (9, 223332345), (15, 133999407), (27, 74444115), (45, 44666469), (81, 24814705), (135, 14888823), (367, 5476815), (405, 4962941), (1101, 1825605), (1835, 1095363), (3303, 608535), (5505, 365121), (9909, 202845), (13523, 148635), (16515, 121707), (29727, 67615), (40569, 49545)]