220396005

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70981}}^1$

素因数の和:71018

約数の個数: 32

約数和(自身を含む): 408856320

約数和(自身を除く): 188460315

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 70981, 212943, 354905, 638829, 1064715, 1632563, 1916487, 3194145, 4897689, 8162815, 9582435, 14693067, 24488445, 44079201, 73465335, 220396005]

約数ペア:

[(1, 220396005), (3, 73465335), (5, 44079201), (9, 24488445), (15, 14693067), (23, 9582435), (27, 8162815), (45, 4897689), (69, 3194145), (115, 1916487), (135, 1632563), (207, 1064715), (345, 638829), (621, 354905), (1035, 212943), (3105, 70981)]