1947309

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 3255840

約数和(自身を除く): 1308531

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1019, 1911, 3057, 7133, 13247, 21399, 39741, 49931, 92729, 149793, 278187, 649103, 1947309]

約数ペア:

[(1, 1947309), (3, 649103), (7, 278187), (13, 149793), (21, 92729), (39, 49931), (49, 39741), (91, 21399), (147, 13247), (273, 7133), (637, 3057), (1019, 1911)]