221793921

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{417691}}^1$

素因数の和:417756

約数の個数: 12

約数和(自身を含む): 325799760

約数和(自身を除く): 104005839

約数列:

[1, 3, 9, 59, 177, 531, 417691, 1253073, 3759219, 24643769, 73931307, 221793921]

約数ペア:

[(1, 221793921), (3, 73931307), (9, 24643769), (59, 3759219), (177, 1253073), (531, 417691)]