131388885

素因数分解:

$3^5\times 5^1\times {\mathrm{108139}}^1$

素因数の和:108159

約数の個数: 24

約数和(自身を含む): 236177760

約数和(自身を除く): 104788875

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 108139, 324417, 540695, 973251, 1622085, 2919753, 4866255, 8759259, 14598765, 26277777, 43796295, 131388885]

約数ペア:

[(1, 131388885), (3, 43796295), (5, 26277777), (9, 14598765), (15, 8759259), (27, 4866255), (45, 2919753), (81, 1622085), (135, 973251), (243, 540695), (405, 324417), (1215, 108139)]