81831879

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8111}}^1$

素因数の和:8195

約数の個数: 24

約数和(自身を含む): 126547200

約数和(自身を除く): 44715321

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 3363, 8111, 10089, 24333, 72999, 154109, 462327, 478549, 1386981, 1435647, 4306941, 9092431, 27277293, 81831879]

約数ペア:

[(1, 81831879), (3, 27277293), (9, 9092431), (19, 4306941), (57, 1435647), (59, 1386981), (171, 478549), (177, 462327), (531, 154109), (1121, 72999), (3363, 24333), (8111, 10089)]