642006285

素因数分解:

$3^1\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{27631}}^1$

素因数の和:29188

約数の個数: 16

約数和(自身を含む): 1027910400

約数和(自身を除く): 385904115

約数列:

[1, 3, 5, 15, 1549, 4647, 7745, 23235, 27631, 82893, 138155, 414465, 42800419, 128401257, 214002095, 642006285]

約数ペア:

[(1, 642006285), (3, 214002095), (5, 128401257), (15, 42800419), (1549, 414465), (4647, 138155), (7745, 82893), (23235, 27631)]