210880791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{112111}}^1$

素因数の和:112147

約数の個数: 24

約数和(自身を含む): 349789440

約数和(自身を除く): 138908649

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 112111, 336333, 1008999, 1233221, 2130109, 3699663, 6390327, 11098989, 19170981, 23431199, 70293597, 210880791]

約数ペア:

[(1, 210880791), (3, 70293597), (9, 23431199), (11, 19170981), (19, 11098989), (33, 6390327), (57, 3699663), (99, 2130109), (171, 1233221), (209, 1008999), (627, 336333), (1881, 112111)]