788697

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 1463616

約数和(自身を除く): 674919

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 107, 117, 189, 273, 321, 351, 567, 749, 819, 963, 1053, 1391, 2247, 2457, 2889, 4173, 6741, 7371, 8667, 9737, 12519, 20223, 29211, 37557, 60669, 87633, 112671, 262899, 788697]

約数ペア:

[(1, 788697), (3, 262899), (7, 112671), (9, 87633), (13, 60669), (21, 37557), (27, 29211), (39, 20223), (63, 12519), (81, 9737), (91, 8667), (107, 7371), (117, 6741), (189, 4173), (273, 2889), (321, 2457), (351, 2247), (567, 1391), (749, 1053), (819, 963)]