66670209

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{16139}}^1$

素因数の和:16171

約数の個数: 24

約数和(自身を含む): 105749280

約数和(自身を除く): 39079071

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 16139, 48417, 145251, 274363, 435753, 823089, 1307259, 2469267, 3921777, 7407801, 22223403, 66670209]

約数ペア:

[(1, 66670209), (3, 22223403), (9, 7407801), (17, 3921777), (27, 2469267), (51, 1307259), (81, 823089), (153, 435753), (243, 274363), (459, 145251), (1377, 48417), (4131, 16139)]