2228985

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 4608000

約数和(自身を除く): 2379015

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 79, 95, 99, 135, 165, 171, 209, 237, 285, 297, 395, 495, 513, 627, 711, 855, 869, 1045, 1185, 1485, 1501, 1881, 2133, 2565, 2607, 3135, 3555, 4345, 4503, 5643, 7505, 7821, 9405, 10665, 13035, 13509, 16511, 22515, 23463, 28215, 39105, 40527, 49533, 67545, 82555, 117315, 148599, 202635, 247665, 445797, 742995, 2228985]

約数ペア:

[(1, 2228985), (3, 742995), (5, 445797), (9, 247665), (11, 202635), (15, 148599), (19, 117315), (27, 82555), (33, 67545), (45, 49533), (55, 40527), (57, 39105), (79, 28215), (95, 23463), (99, 22515), (135, 16511), (165, 13509), (171, 13035), (209, 10665), (237, 9405), (285, 7821), (297, 7505), (395, 5643), (495, 4503), (513, 4345), (627, 3555), (711, 3135), (855, 2607), (869, 2565), (1045, 2133), (1185, 1881), (1485, 1501)]