221577981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1607}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 324172800

約数和(自身を除く): 102594819

約数列:

[1, 3, 19, 41, 57, 59, 123, 177, 779, 1121, 1607, 2337, 2419, 3363, 4821, 7257, 30533, 45961, 65887, 91599, 94813, 137883, 197661, 284439, 1251853, 1801447, 3755559, 3887333, 5404341, 11661999, 73859327, 221577981]

約数ペア:

[(1, 221577981), (3, 73859327), (19, 11661999), (41, 5404341), (57, 3887333), (59, 3755559), (123, 1801447), (177, 1251853), (779, 284439), (1121, 197661), (1607, 137883), (2337, 94813), (2419, 91599), (3363, 65887), (4821, 45961), (7257, 30533)]