254702961

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:851

約数の個数: 40

約数和(自身を含む): 402494400

約数和(自身を除く): 147791439

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 359, 461, 513, 1077, 1383, 1539, 3231, 4149, 6821, 8759, 9693, 12447, 20463, 26277, 29079, 37341, 61389, 78831, 165499, 184167, 236493, 496497, 552501, 709479, 1489491, 3144481, 4468473, 9433443, 13405419, 28300329, 84900987, 254702961]

約数ペア:

[(1, 254702961), (3, 84900987), (9, 28300329), (19, 13405419), (27, 9433443), (57, 4468473), (81, 3144481), (171, 1489491), (359, 709479), (461, 552501), (513, 496497), (1077, 236493), (1383, 184167), (1539, 165499), (3231, 78831), (4149, 61389), (6821, 37341), (8759, 29079), (9693, 26277), (12447, 20463)]