778877307

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{25903}}^1$

素因数の和:26179

約数の個数: 24

約数和(自身を含む): 1216348224

約数和(自身を除く): 437470917

約数列:

[1, 3, 9, 13, 39, 117, 257, 771, 2313, 3341, 10023, 25903, 30069, 77709, 233127, 336739, 1010217, 3030651, 6657071, 19971213, 59913639, 86541923, 259625769, 778877307]

約数ペア:

[(1, 778877307), (3, 259625769), (9, 86541923), (13, 59913639), (39, 19971213), (117, 6657071), (257, 3030651), (771, 1010217), (2313, 336739), (3341, 233127), (10023, 77709), (25903, 30069)]