211345227

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{4079}}^1$

素因数の和:4208

約数の個数: 32

約数和(自身を含む): 332928000

約数和(自身を除く): 121582773

約数列:

[1, 3, 9, 19, 27, 57, 101, 171, 303, 513, 909, 1919, 2727, 4079, 5757, 12237, 17271, 36711, 51813, 77501, 110133, 232503, 411979, 697509, 1235937, 2092527, 3707811, 7827601, 11123433, 23482803, 70448409, 211345227]

約数ペア:

[(1, 211345227), (3, 70448409), (9, 23482803), (19, 11123433), (27, 7827601), (57, 3707811), (101, 2092527), (171, 1235937), (303, 697509), (513, 411979), (909, 232503), (1919, 110133), (2727, 77501), (4079, 51813), (5757, 36711), (12237, 17271)]