7721441

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 9802944

約数和(自身を除く): 2081503

約数列:

[1, 7, 13, 61, 91, 107, 169, 427, 749, 793, 1183, 1391, 5551, 6527, 9737, 10309, 18083, 45689, 72163, 84851, 126581, 593957, 1103063, 7721441]

約数ペア:

[(1, 7721441), (7, 1103063), (13, 593957), (61, 126581), (91, 84851), (107, 72163), (169, 45689), (427, 18083), (749, 10309), (793, 9737), (1183, 6527), (1391, 5551)]