20730519

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{5153}}^1$

素因数の和:5311

約数の個数: 16

約数和(自身を含む): 30924000

約数和(自身を除く): 10193481

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 5153, 15459, 46377, 139131, 767797, 2303391, 6910173, 20730519]

約数ペア:

[(1, 20730519), (3, 6910173), (9, 2303391), (27, 767797), (149, 139131), (447, 46377), (1341, 15459), (4023, 5153)]