81324997

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 98169984

約数和(自身を除く): 16844987

約数列:

[1, 13, 19, 31, 43, 169, 247, 361, 403, 559, 589, 817, 1333, 3211, 4693, 5239, 7267, 7657, 10621, 11191, 15523, 17329, 25327, 61009, 99541, 138073, 145483, 201799, 225277, 329251, 481213, 1891279, 2623387, 4280263, 6255769, 81324997]

約数ペア:

[(1, 81324997), (13, 6255769), (19, 4280263), (31, 2623387), (43, 1891279), (169, 481213), (247, 329251), (361, 225277), (403, 201799), (559, 145483), (589, 138073), (817, 99541), (1333, 61009), (3211, 25327), (4693, 17329), (5239, 15523), (7267, 11191), (7657, 10621)]