71221515

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{34159}}^1$

素因数の和:34306

約数の個数: 16

約数和(自身を含む): 114777600

約数和(自身を除く): 43556085

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 34159, 102477, 170795, 512385, 4748101, 14244303, 23740505, 71221515]

約数ペア:

[(1, 71221515), (3, 23740505), (5, 14244303), (15, 4748101), (139, 512385), (417, 170795), (695, 102477), (2085, 34159)]