51385399.000000000

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{2549}}^1$

素因数の和:2908

約数の個数: 16

約数和(自身を含む): 140923200

約数和(自身を除く): 38002227

約数列:

[1, 3, 43, 129, 313, 939, 2549, 7647, 13459, 40377, 109607, 328821, 797837, 2393511, 34306991, 102920973]

約数ペア:

[(1, 102920973), (3, 34306991), (43, 2393511), (129, 797837), (313, 328821), (939, 109607), (2549, 40377), (7647, 13459)]