67550721

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 106106880

約数和(自身を除く): 38556159

約数列:

[1, 3, 7, 21, 43, 129, 239, 301, 313, 717, 903, 939, 1673, 2191, 5019, 6573, 10277, 13459, 30831, 40377, 71939, 74807, 94213, 215817, 224421, 282639, 523649, 1570947, 3216701, 9650103, 22516907, 67550721]

約数ペア:

[(1, 67550721), (3, 22516907), (7, 9650103), (21, 3216701), (43, 1570947), (129, 523649), (239, 282639), (301, 224421), (313, 215817), (717, 94213), (903, 74807), (939, 71939), (1673, 40377), (2191, 30831), (5019, 13459), (6573, 10277)]