621777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 907200

約数和(自身を除く): 285423

約数列:

[1, 3, 13, 39, 107, 149, 321, 447, 1391, 1937, 4173, 5811, 15943, 47829, 207259, 621777]

約数ペア:

[(1, 621777), (3, 207259), (13, 47829), (39, 15943), (107, 5811), (149, 4173), (321, 1937), (447, 1391)]