66573213

素因数分解:

$3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2142

約数の個数: 32

約数和(自身を含む): 106905600

約数和(自身を除く): 40332387

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 343, 651, 1029, 1519, 2087, 4557, 6261, 10633, 14609, 31899, 43827, 64697, 102263, 194091, 306789, 452879, 715841, 1358637, 2147523, 3170153, 9510459, 22191071, 66573213]

約数ペア:

[(1, 66573213), (3, 22191071), (7, 9510459), (21, 3170153), (31, 2147523), (49, 1358637), (93, 715841), (147, 452879), (217, 306789), (343, 194091), (651, 102263), (1029, 64697), (1519, 43827), (2087, 31899), (4557, 14609), (6261, 10633)]