128372007165

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{208734971}}^1$

素因数の和:208735020

約数の個数: 16

約数和(自身を含む): 210404851776

約数和(自身を除く): 82032844611

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 208734971, 626204913, 1043674855, 3131024565, 8558133811, 25674401433, 42790669055, 128372007165]

約数ペア:

[(1, 128372007165), (3, 42790669055), (5, 25674401433), (15, 8558133811), (41, 3131024565), (123, 1043674855), (205, 626204913), (615, 208734971)]