643049823

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 935424000

約数和(自身を除く): 292374177

約数列:

[1, 3, 13, 39, 173, 191, 499, 519, 573, 1497, 2249, 2483, 6487, 6747, 7449, 19461, 33043, 86327, 95309, 99129, 258981, 285927, 429559, 1122251, 1239017, 1288677, 3366753, 3717051, 16488457, 49465371, 214349941, 643049823]

約数ペア:

[(1, 643049823), (3, 214349941), (13, 49465371), (39, 16488457), (173, 3717051), (191, 3366753), (499, 1288677), (519, 1239017), (573, 1122251), (1497, 429559), (2249, 285927), (2483, 258981), (6487, 99129), (6747, 95309), (7449, 86327), (19461, 33043)]