15997095

素因数分解:

$3^4\times 5^1\times {\mathrm{39499}}^1$

素因数の和:39516

約数の個数: 20

約数和(自身を含む): 28677000

約数和(自身を除く): 12679905

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 39499, 118497, 197495, 355491, 592485, 1066473, 1777455, 3199419, 5332365, 15997095]

約数ペア:

[(1, 15997095), (3, 5332365), (5, 3199419), (9, 1777455), (15, 1066473), (27, 592485), (45, 355491), (81, 197495), (135, 118497), (405, 39499)]