971500815

素因数分解:

$3^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{19861}}^1$

素因数の和:20959

約数の個数: 24

約数和(自身を含む): 1685568768

約数和(自身を除く): 714067953

約数列:

[1, 3, 5, 9, 15, 45, 1087, 3261, 5435, 9783, 16305, 19861, 48915, 59583, 99305, 178749, 297915, 893745, 21588907, 64766721, 107944535, 194300163, 323833605, 971500815]

約数ペア:

[(1, 971500815), (3, 323833605), (5, 194300163), (9, 107944535), (15, 64766721), (45, 21588907), (1087, 893745), (3261, 297915), (5435, 178749), (9783, 99305), (16305, 59583), (19861, 48915)]