13680665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 18817920

約数和(自身を除く): 5137255

約数列:

[1, 5, 17, 19, 43, 85, 95, 197, 215, 323, 731, 817, 985, 1615, 3349, 3655, 3743, 4085, 8471, 13889, 16745, 18715, 42355, 63631, 69445, 144007, 160949, 318155, 720035, 804745, 2736133, 13680665]

約数ペア:

[(1, 13680665), (5, 2736133), (17, 804745), (19, 720035), (43, 318155), (85, 160949), (95, 144007), (197, 69445), (215, 63631), (323, 42355), (731, 18715), (817, 16745), (985, 13889), (1615, 8471), (3349, 4085), (3655, 3743)]