198325779

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1\times {\mathrm{971}}^1$

素因数の和:1738

約数の個数: 16

約数和(自身を含む): 267681024

約数和(自身を除く): 69355245

約数列:

[1, 3, 103, 309, 661, 971, 1983, 2913, 68083, 100013, 204249, 300039, 641831, 1925493, 66108593, 198325779]

約数ペア:

[(1, 198325779), (3, 66108593), (103, 1925493), (309, 641831), (661, 300039), (971, 204249), (1983, 100013), (2913, 68083)]