72131619

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{617}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 116282880

約数和(自身を除く): 44151261

約数列:

[1, 3, 7, 19, 21, 57, 133, 293, 399, 617, 879, 1851, 2051, 4319, 5567, 6153, 11723, 12957, 16701, 35169, 38969, 82061, 116907, 180781, 246183, 542343, 1265467, 3434839, 3796401, 10304517, 24043873, 72131619]

約数ペア:

[(1, 72131619), (3, 24043873), (7, 10304517), (19, 3796401), (21, 3434839), (57, 1265467), (133, 542343), (293, 246183), (399, 180781), (617, 116907), (879, 82061), (1851, 38969), (2051, 35169), (4319, 16701), (5567, 12957), (6153, 11723)]