90078009

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{12959}}^1$

素因数の和:13300

約数の個数: 16

約数和(自身を含む): 137687040

約数和(自身を除く): 47609031

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 12959, 38877, 90713, 272139, 4289429, 12868287, 30026003, 90078009]

約数ペア:

[(1, 90078009), (3, 30026003), (7, 12868287), (21, 4289429), (331, 272139), (993, 90713), (2317, 38877), (6951, 12959)]