15220185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3511}}^1$

素因数の和:3553

約数の個数: 24

約数和(自身を含む): 25876416

約数和(自身を除く): 10656231

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 3511, 4335, 10533, 17555, 52665, 59687, 179061, 298435, 895305, 1014679, 3044037, 5073395, 15220185]

約数ペア:

[(1, 15220185), (3, 5073395), (5, 3044037), (15, 1014679), (17, 895305), (51, 298435), (85, 179061), (255, 59687), (289, 52665), (867, 17555), (1445, 10533), (3511, 4335)]