12621245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27739}}^1$

素因数の和:27764

約数の個数: 16

約数和(自身を含む): 18641280

約数和(自身を除く): 6020035

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 27739, 138695, 194173, 360607, 970865, 1803035, 2524249, 12621245]

約数ペア:

[(1, 12621245), (5, 2524249), (7, 1803035), (13, 970865), (35, 360607), (65, 194173), (91, 138695), (455, 27739)]