7128885

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{719}}^1$

素因数の和:1388

約数の個数: 16

約数和(自身を含む): 11439360

約数和(自身を除く): 4310475

約数列:

[1, 3, 5, 15, 661, 719, 1983, 2157, 3305, 3595, 9915, 10785, 475259, 1425777, 2376295, 7128885]

約数ペア:

[(1, 7128885), (3, 2376295), (5, 1425777), (15, 475259), (661, 10785), (719, 9915), (1983, 3595), (2157, 3305)]