13203561

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16993}}^1$

素因数の和:17040

約数の個数: 16

約数和(自身を含む): 20664704

約数和(自身を除く): 7461143

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 16993, 50979, 118951, 356853, 628741, 1886223, 4401187, 13203561]

約数ペア:

[(1, 13203561), (3, 4401187), (7, 1886223), (21, 628741), (37, 356853), (111, 118951), (259, 50979), (777, 16993)]