263278743

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{9013}}^1$

素因数の和:9143

約数の個数: 32

約数和(自身を含む): 436133376

約数和(自身を除く): 172854633

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 1391, 2247, 4173, 9013, 9737, 27039, 29211, 63091, 117169, 189273, 351507, 820183, 964391, 2460549, 2893173, 6750737, 12537083, 20252211, 37611249, 87759581, 263278743]

約数ペア:

[(1, 263278743), (3, 87759581), (7, 37611249), (13, 20252211), (21, 12537083), (39, 6750737), (91, 2893173), (107, 2460549), (273, 964391), (321, 820183), (749, 351507), (1391, 189273), (2247, 117169), (4173, 63091), (9013, 29211), (9737, 27039)]