15961905

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7547}}^1$

素因数の和:7605

約数の個数: 24

約数和(自身を含む): 28259712

約数和(自身を除く): 12297807

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 7547, 22641, 37735, 67923, 113205, 339615, 354709, 1064127, 1773545, 3192381, 5320635, 15961905]

約数ペア:

[(1, 15961905), (3, 5320635), (5, 3192381), (9, 1773545), (15, 1064127), (45, 354709), (47, 339615), (141, 113205), (235, 67923), (423, 37735), (705, 22641), (2115, 7547)]