161576721

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{20707}}^1$

素因数の和:20750

約数の個数: 24

約数和(自身を含む): 254294240

約数和(自身を除く): 92717519

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 7803, 20707, 62121, 186363, 352019, 559089, 1056057, 3168171, 5984323, 9504513, 17952969, 53858907, 161576721]

約数ペア:

[(1, 161576721), (3, 53858907), (9, 17952969), (17, 9504513), (27, 5984323), (51, 3168171), (153, 1056057), (289, 559089), (459, 352019), (867, 186363), (2601, 62121), (7803, 20707)]