7811235

素因数分解:

$3^6\times 5^1\times {\mathrm{2143}}^1$

素因数の和:2166

約数の個数: 28

約数和(自身を含む): 14060352

約数和(自身を除く): 6249117

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2143, 3645, 6429, 10715, 19287, 32145, 57861, 96435, 173583, 289305, 520749, 867915, 1562247, 2603745, 7811235]

約数ペア:

[(1, 7811235), (3, 2603745), (5, 1562247), (9, 867915), (15, 520749), (27, 289305), (45, 173583), (81, 96435), (135, 57861), (243, 32145), (405, 19287), (729, 10715), (1215, 6429), (2143, 3645)]