81269745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9833}}^1$

素因数の和:9889

約数の個数: 32

約数和(自身を含む): 141609600

約数和(自身を除く): 60339855

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2755, 8265, 9833, 29499, 49165, 147495, 186827, 285157, 560481, 855471, 934135, 1425785, 2802405, 4277355, 5417983, 16253949, 27089915, 81269745]

約数ペア:

[(1, 81269745), (3, 27089915), (5, 16253949), (15, 5417983), (19, 4277355), (29, 2802405), (57, 1425785), (87, 934135), (95, 855471), (145, 560481), (285, 285157), (435, 186827), (551, 147495), (1653, 49165), (2755, 29499), (8265, 9833)]