1945281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 2885120

約数和(自身を除く): 939839

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 1609, 4827, 20917, 49879, 62751, 149637, 648427, 1945281]

約数ペア:

[(1, 1945281), (3, 648427), (13, 149637), (31, 62751), (39, 49879), (93, 20917), (403, 4827), (1209, 1609)]