198374913

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{222643}}^1$

素因数の和:222666

約数の個数: 20

約数和(自身を含む): 323279088

約数和(自身を除く): 124904175

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 222643, 667929, 2003787, 2449073, 6011361, 7347219, 18034083, 22041657, 66124971, 198374913]

約数ペア:

[(1, 198374913), (3, 66124971), (9, 22041657), (11, 18034083), (27, 7347219), (33, 6011361), (81, 2449073), (99, 2003787), (297, 667929), (891, 222643)]