1640137893

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1\times {\mathrm{19429}}^1$

素因数の和:20932

約数の個数: 16

約数和(自身を含む): 2303620800

約数和(自身を除く): 663482907

約数列:

[1, 3, 19, 57, 1481, 4443, 19429, 28139, 58287, 84417, 369151, 1107453, 28774349, 86323047, 546712631, 1640137893]

約数ペア:

[(1, 1640137893), (3, 546712631), (19, 86323047), (57, 28774349), (1481, 1107453), (4443, 369151), (19429, 84417), (28139, 58287)]