131521095

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{171923}}^1$

素因数の和:171951

約数の個数: 24

約数和(自身を含む): 241381296

約数和(自身を除く): 109860201

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 171923, 515769, 859615, 1547307, 2578845, 2922691, 7736535, 8768073, 14613455, 26304219, 43840365, 131521095]

約数ペア:

[(1, 131521095), (3, 43840365), (5, 26304219), (9, 14613455), (15, 8768073), (17, 7736535), (45, 2922691), (51, 2578845), (85, 1547307), (153, 859615), (255, 515769), (765, 171923)]