198163407

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15731}}^1$

素因数の和:15783

約数の個数: 32

約数和(自身を含む): 317157120

約数和(自身を除く): 118993713

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 4199, 12597, 15731, 47193, 204503, 267427, 298889, 613509, 802281, 896667, 3476551, 3885557, 5081113, 10429653, 11656671, 15243339, 66054469, 198163407]

約数ペア:

[(1, 198163407), (3, 66054469), (13, 15243339), (17, 11656671), (19, 10429653), (39, 5081113), (51, 3885557), (57, 3476551), (221, 896667), (247, 802281), (323, 613509), (663, 298889), (741, 267427), (969, 204503), (4199, 47193), (12597, 15731)]