18129273

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 24868800

約数和(自身を除く): 6739527

約数列:

[1, 3, 43, 129, 313, 449, 939, 1347, 13459, 19307, 40377, 57921, 140537, 421611, 6043091, 18129273]

約数ペア:

[(1, 18129273), (3, 6043091), (43, 421611), (129, 140537), (313, 57921), (449, 40377), (939, 19307), (1347, 13459)]