639341739

素因数分解:

$3^2\times {\mathrm{1601}}^1\times {\mathrm{44371}}^1$

素因数の和:45978

約数の個数: 12

約数和(自身を含む): 924091272

約数和(自身を除く): 284749533

約数列:

[1, 3, 9, 1601, 4803, 14409, 44371, 133113, 399339, 71037971, 213113913, 639341739]

約数ペア:

[(1, 639341739), (3, 213113913), (9, 71037971), (1601, 399339), (4803, 133113), (14409, 44371)]