86931387

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{63131}}^1$

素因数の和:63160

約数の個数: 20

約数和(自身を含む): 137501496

約数和(自身を除く): 50570109

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 63131, 189393, 568179, 1073227, 1704537, 3219681, 5113611, 9659043, 28977129, 86931387]

約数ペア:

[(1, 86931387), (3, 28977129), (9, 9659043), (17, 5113611), (27, 3219681), (51, 1704537), (81, 1073227), (153, 568179), (459, 189393), (1377, 63131)]