31695219

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 19253133

約数列:

[1, 3, 9, 23, 27, 53, 69, 81, 107, 159, 207, 243, 321, 477, 621, 963, 1219, 1431, 1863, 2461, 2889, 3657, 4293, 5589, 5671, 7383, 8667, 10971, 12879, 17013, 22149, 26001, 32913, 51039, 66447, 98739, 130433, 153117, 199341, 296217, 391299, 459351, 598023, 1173897, 1378053, 3521691, 10565073, 31695219]

約数ペア:

[(1, 31695219), (3, 10565073), (9, 3521691), (23, 1378053), (27, 1173897), (53, 598023), (69, 459351), (81, 391299), (107, 296217), (159, 199341), (207, 153117), (243, 130433), (321, 98739), (477, 66447), (621, 51039), (963, 32913), (1219, 26001), (1431, 22149), (1863, 17013), (2461, 12879), (2889, 10971), (3657, 8667), (4293, 7383), (5589, 5671)]