2003911

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 24

約数和(自身を含む): 2645664

約数和(自身を除く): 641753

約数列:

[1, 7, 13, 19, 61, 91, 133, 247, 361, 427, 793, 1159, 1729, 2527, 4693, 5551, 8113, 15067, 22021, 32851, 105469, 154147, 286273, 2003911]

約数ペア:

[(1, 2003911), (7, 286273), (13, 154147), (19, 105469), (61, 32851), (91, 22021), (133, 15067), (247, 8113), (361, 5551), (427, 4693), (793, 2527), (1159, 1729)]