128519991

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1061}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 190743696

約数和(自身を除く): 62223705

約数列:

[1, 3, 9, 43, 129, 313, 387, 939, 1061, 2817, 3183, 9549, 13459, 40377, 45623, 121131, 136869, 332093, 410607, 996279, 2988837, 14279999, 42839997, 128519991]

約数ペア:

[(1, 128519991), (3, 42839997), (9, 14279999), (43, 2988837), (129, 996279), (313, 410607), (387, 332093), (939, 136869), (1061, 121131), (2817, 45623), (3183, 40377), (9549, 13459)]