778848993

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{2218943}}^1$

素因数の和:2218965

約数の個数: 16

約数和(自身を含む): 1242608640

約数和(自身を除く): 463759647

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 2218943, 6656829, 19970487, 28846259, 59911461, 86538777, 259616331, 778848993]

約数ペア:

[(1, 778848993), (3, 259616331), (9, 86538777), (13, 59911461), (27, 28846259), (39, 19970487), (117, 6656829), (351, 2218943)]