205291245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{318281}}^1$

素因数の和:318332

約数の個数: 16

約数和(自身を含む): 336105792

約数和(自身を除く): 130814547

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 318281, 954843, 1591405, 4774215, 13686083, 41058249, 68430415, 205291245]

約数ペア:

[(1, 205291245), (3, 68430415), (5, 41058249), (15, 13686083), (43, 4774215), (129, 1591405), (215, 954843), (645, 318281)]