2154405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1187}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 3792096

約数和(自身を除く): 1637691

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1187, 1815, 3561, 5935, 13057, 17805, 39171, 65285, 143627, 195855, 430881, 718135, 2154405]

約数ペア:

[(1, 2154405), (3, 718135), (5, 430881), (11, 195855), (15, 143627), (33, 65285), (55, 39171), (121, 17805), (165, 13057), (363, 5935), (605, 3561), (1187, 1815)]