31006827

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 49800960

約数和(自身を除く): 18794133

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1161, 1571, 2193, 4713, 6579, 14139, 19737, 26707, 42417, 67553, 80121, 202659, 240363, 607977, 721089, 1148401, 1823931, 3445203, 10335609, 31006827]

約数ペア:

[(1, 31006827), (3, 10335609), (9, 3445203), (17, 1823931), (27, 1148401), (43, 721089), (51, 607977), (129, 240363), (153, 202659), (387, 80121), (459, 67553), (731, 42417), (1161, 26707), (1571, 19737), (2193, 14139), (4713, 6579)]