1965645

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:71

約数の個数: 54

約数和(自身を含む): 3952494

約数和(自身を除く): 1986849

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 121, 165, 171, 209, 285, 361, 363, 495, 605, 627, 855, 1045, 1083, 1089, 1805, 1815, 1881, 2299, 3135, 3249, 3971, 5415, 5445, 6897, 9405, 11495, 11913, 16245, 19855, 20691, 34485, 35739, 43681, 59565, 103455, 131043, 178695, 218405, 393129, 655215, 1965645]

約数ペア:

[(1, 1965645), (3, 655215), (5, 393129), (9, 218405), (11, 178695), (15, 131043), (19, 103455), (33, 59565), (45, 43681), (55, 35739), (57, 34485), (95, 20691), (99, 19855), (121, 16245), (165, 11913), (171, 11495), (209, 9405), (285, 6897), (361, 5445), (363, 5415), (495, 3971), (605, 3249), (627, 3135), (855, 2299), (1045, 1881), (1083, 1815), (1089, 1805)]