68746821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 108380160

約数和(自身を除く): 39633339

約数列:

[1, 3, 11, 13, 33, 39, 143, 191, 429, 573, 839, 2101, 2483, 2517, 6303, 7449, 9229, 10907, 27313, 27687, 32721, 81939, 119977, 160249, 359931, 480747, 1762739, 2083237, 5288217, 6249711, 22915607, 68746821]

約数ペア:

[(1, 68746821), (3, 22915607), (11, 6249711), (13, 5288217), (33, 2083237), (39, 1762739), (143, 480747), (191, 359931), (429, 160249), (573, 119977), (839, 81939), (2101, 32721), (2483, 27687), (2517, 27313), (6303, 10907), (7449, 9229)]