2811105

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:659

約数の個数: 40

約数和(自身を含む): 5505984

約数和(自身を除く): 2694879

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 631, 891, 1485, 1893, 3155, 4455, 5679, 6941, 9465, 17037, 20823, 28395, 34705, 51111, 62469, 85185, 104115, 187407, 255555, 312345, 562221, 937035, 2811105]

約数ペア:

[(1, 2811105), (3, 937035), (5, 562221), (9, 312345), (11, 255555), (15, 187407), (27, 104115), (33, 85185), (45, 62469), (55, 51111), (81, 34705), (99, 28395), (135, 20823), (165, 17037), (297, 9465), (405, 6941), (495, 5679), (631, 4455), (891, 3155), (1485, 1893)]