21243370095

素因数分解:

$3^3\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{61879}}^1$

素因数の和:64436

約数の個数: 32

約数和(自身を含む): 37781452800

約数和(自身を除く): 16538082705

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2543, 7629, 12715, 22887, 38145, 61879, 68661, 114435, 185637, 309395, 343305, 556911, 928185, 1670733, 2784555, 8353665, 157358297, 472074891, 786791485, 1416224673, 2360374455, 4248674019, 7081123365, 21243370095]

約数ペア:

[(1, 21243370095), (3, 7081123365), (5, 4248674019), (9, 2360374455), (15, 1416224673), (27, 786791485), (45, 472074891), (135, 157358297), (2543, 8353665), (7629, 2784555), (12715, 1670733), (22887, 928185), (38145, 556911), (61879, 343305), (68661, 309395), (114435, 185637)]