1978528047

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{140351}}^1$

素因数の和:140518

約数の個数: 16

約数和(自身を含む): 2730688512

約数和(自身を除く): 752160465

約数列:

[1, 3, 37, 111, 127, 381, 4699, 14097, 140351, 421053, 5192987, 15578961, 17824577, 53473731, 659509349, 1978528047]

約数ペア:

[(1, 1978528047), (3, 659509349), (37, 53473731), (111, 17824577), (127, 15578961), (381, 5192987), (4699, 421053), (14097, 140351)]