31388133

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 50928640

約数和(自身を除く): 19540507

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 399, 679, 811, 1843, 2037, 2433, 5529, 5677, 12901, 15409, 17031, 38703, 46227, 78667, 107863, 236001, 323589, 550669, 1494673, 1652007, 4484019, 10462711, 31388133]

約数ペア:

[(1, 31388133), (3, 10462711), (7, 4484019), (19, 1652007), (21, 1494673), (57, 550669), (97, 323589), (133, 236001), (291, 107863), (399, 78667), (679, 46227), (811, 38703), (1843, 17031), (2037, 15409), (2433, 12901), (5529, 5677)]