3998859

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 5715360

約数和(自身を除く): 1716501

約数列:

[1, 3, 17, 51, 89, 267, 881, 1513, 2643, 4539, 14977, 44931, 78409, 235227, 1332953, 3998859]

約数ペア:

[(1, 3998859), (3, 1332953), (17, 235227), (51, 78409), (89, 44931), (267, 14977), (881, 4539), (1513, 2643)]