65338215

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 108041472

約数和(自身を除く): 42703257

約数列:

[1, 3, 5, 15, 41, 123, 131, 205, 393, 615, 655, 811, 1965, 2433, 4055, 5371, 12165, 16113, 26855, 33251, 80565, 99753, 106241, 166255, 318723, 498765, 531205, 1593615, 4355881, 13067643, 21779405, 65338215]

約数ペア:

[(1, 65338215), (3, 21779405), (5, 13067643), (15, 4355881), (41, 1593615), (123, 531205), (131, 498765), (205, 318723), (393, 166255), (615, 106241), (655, 99753), (811, 80565), (1965, 33251), (2433, 26855), (4055, 16113), (5371, 12165)]