140147280021

素因数分解:

$3^1\times 7^1\times {\mathrm{1879}}^1\times {\mathrm{3551719}}^1$

素因数の和:3553608

約数の個数: 16

約数和(自身を含む): 213671475200

約数和(自身を除く): 73524195179

約数列:

[1, 3, 7, 21, 1879, 5637, 13153, 39459, 3551719, 10655157, 24862033, 74586099, 6673680001, 20021040003, 46715760007, 140147280021]

約数ペア:

[(1, 140147280021), (3, 46715760007), (7, 20021040003), (21, 6673680001), (1879, 74586099), (5637, 24862033), (13153, 10655157), (39459, 3551719)]