7215885

素因数分解:

$3^5\times 5^1\times {\mathrm{5939}}^1$

素因数の和:5959

約数の個数: 24

約数和(自身を含む): 12972960

約数和(自身を除く): 5757075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 5939, 17817, 29695, 53451, 89085, 160353, 267255, 481059, 801765, 1443177, 2405295, 7215885]

約数ペア:

[(1, 7215885), (3, 2405295), (5, 1443177), (9, 801765), (15, 481059), (27, 267255), (45, 160353), (81, 89085), (135, 53451), (243, 29695), (405, 17817), (1215, 5939)]