42405405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{403861}}^1$

素因数の和:403876

約数の個数: 16

約数和(自身を含む): 77541504

約数和(自身を除く): 35136099

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 403861, 1211583, 2019305, 2827027, 6057915, 8481081, 14135135, 42405405]

約数ペア:

[(1, 42405405), (3, 14135135), (5, 8481081), (7, 6057915), (15, 2827027), (21, 2019305), (35, 1211583), (105, 403861)]