78492021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 114186240

約数和(自身を除く): 35694219

約数列:

[1, 3, 19, 47, 57, 83, 141, 249, 353, 893, 1059, 1577, 2679, 3901, 4731, 6707, 11703, 16591, 20121, 29299, 49773, 74119, 87897, 222357, 315229, 556681, 945687, 1377053, 1670043, 4131159, 26164007, 78492021]

約数ペア:

[(1, 78492021), (3, 26164007), (19, 4131159), (47, 1670043), (57, 1377053), (83, 945687), (141, 556681), (249, 315229), (353, 222357), (893, 87897), (1059, 74119), (1577, 49773), (2679, 29299), (3901, 20121), (4731, 16591), (6707, 11703)]