25561251

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1025

約数の個数: 40

約数和(自身を含む): 42601680

約数和(自身を除く): 17040429

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 969, 977, 1377, 1539, 2907, 2931, 8721, 8793, 16609, 18563, 26163, 26379, 49827, 55689, 79137, 149481, 167067, 315571, 448443, 501201, 946713, 1345329, 1503603, 2840139, 8520417, 25561251]

約数ペア:

[(1, 25561251), (3, 8520417), (9, 2840139), (17, 1503603), (19, 1345329), (27, 946713), (51, 501201), (57, 448443), (81, 315571), (153, 167067), (171, 149481), (323, 79137), (459, 55689), (513, 49827), (969, 26379), (977, 26163), (1377, 18563), (1539, 16609), (2907, 8793), (2931, 8721)]