1428405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{787}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 2515296

約数和(自身を除く): 1086891

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 787, 1815, 2361, 3935, 8657, 11805, 25971, 43285, 95227, 129855, 285681, 476135, 1428405]

約数ペア:

[(1, 1428405), (3, 476135), (5, 285681), (11, 129855), (15, 95227), (33, 43285), (55, 25971), (121, 11805), (165, 8657), (363, 3935), (605, 2361), (787, 1815)]