1900402587

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{1636867}}^1$

素因数の和:1636919

約数の個数: 16

約数和(自身を含む): 2880887680

約数和(自身を除く): 980485093

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 1636867, 4910601, 14731803, 44195409, 70385281, 211155843, 633467529, 1900402587]

約数ペア:

[(1, 1900402587), (3, 633467529), (9, 211155843), (27, 70385281), (43, 44195409), (129, 14731803), (387, 4910601), (1161, 1636867)]