17620421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{853}}^1$

素因数の和:1100

約数の個数: 16

約数和(自身を含む): 21807744

約数和(自身を除く): 4187323

約数列:

[1, 7, 13, 91, 227, 853, 1589, 2951, 5971, 11089, 20657, 77623, 193631, 1355417, 2517203, 17620421]

約数ペア:

[(1, 17620421), (7, 2517203), (13, 1355417), (91, 193631), (227, 77623), (853, 20657), (1589, 11089), (2951, 5971)]