156728621997

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{3079}}^1\times {\mathrm{137947}}^1$

素因数の和:141073

約数の個数: 24

約数和(自身を含む): 231984392640

約数和(自身を除く): 75255770643

約数列:

[1, 3, 9, 41, 123, 369, 3079, 9237, 27711, 126239, 137947, 378717, 413841, 1136151, 1241523, 5655827, 16967481, 50902443, 424738813, 1274216439, 3822649317, 17414291333, 52242873999, 156728621997]

約数ペア:

[(1, 156728621997), (3, 52242873999), (9, 17414291333), (41, 3822649317), (123, 1274216439), (369, 424738813), (3079, 50902443), (9237, 16967481), (27711, 5655827), (126239, 1241523), (137947, 1136151), (378717, 413841)]