8428185

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 15120000

約数和(自身を除く): 6691815

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 419, 447, 745, 1257, 1341, 2095, 2235, 3771, 4023, 6285, 6705, 11313, 18855, 20115, 56565, 62431, 187293, 312155, 561879, 936465, 1685637, 2809395, 8428185]

約数ペア:

[(1, 8428185), (3, 2809395), (5, 1685637), (9, 936465), (15, 561879), (27, 312155), (45, 187293), (135, 62431), (149, 56565), (419, 20115), (447, 18855), (745, 11313), (1257, 6705), (1341, 6285), (2095, 4023), (2235, 3771)]