80978025

素因数分解:

$3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{11131}}^1$

素因数の和:11241

約数の個数: 24

約数和(自身を含む): 135276064

約数和(自身を除く): 54298039

約数列:

[1, 3, 5, 15, 25, 75, 97, 291, 485, 1455, 2425, 7275, 11131, 33393, 55655, 166965, 278275, 834825, 1079707, 3239121, 5398535, 16195605, 26992675, 80978025]

約数ペア:

[(1, 80978025), (3, 26992675), (5, 16195605), (15, 5398535), (25, 3239121), (75, 1079707), (97, 834825), (291, 278275), (485, 166965), (1455, 55655), (2425, 33393), (7275, 11131)]