158295669

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 254714880

約数和(自身を除く): 96419211

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 617, 643, 1851, 1929, 4319, 4501, 11723, 12217, 12957, 13503, 35169, 36651, 82061, 85519, 246183, 256557, 396731, 1190193, 2777117, 7537889, 8331351, 22613667, 52765223, 158295669]

約数ペア:

[(1, 158295669), (3, 52765223), (7, 22613667), (19, 8331351), (21, 7537889), (57, 2777117), (133, 1190193), (399, 396731), (617, 256557), (643, 246183), (1851, 85519), (1929, 82061), (4319, 36651), (4501, 35169), (11723, 13503), (12217, 12957)]