205930917

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{47969}}^1$

素因数の和:48034

約数の個数: 20

約数和(自身を含む): 313435980

約数和(自身を除く): 107505063

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 47969, 143907, 431721, 1295163, 2542357, 3885489, 7627071, 22881213, 68643639, 205930917]

約数ペア:

[(1, 205930917), (3, 68643639), (9, 22881213), (27, 7627071), (53, 3885489), (81, 2542357), (159, 1295163), (477, 431721), (1431, 143907), (4293, 47969)]