128634219

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{34607}}^1$

素因数の和:34679

約数の個数: 24

約数和(自身を含む): 215953920

約数和(自身を除く): 87319701

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 34607, 103821, 242249, 311463, 726747, 2041813, 2180241, 6125439, 14292691, 18376317, 42878073, 128634219]

約数ペア:

[(1, 128634219), (3, 42878073), (7, 18376317), (9, 14292691), (21, 6125439), (59, 2180241), (63, 2041813), (177, 726747), (413, 311463), (531, 242249), (1239, 103821), (3717, 34607)]