720213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 1055040

約数和(自身を除く): 334827

約数列:

[1, 3, 13, 39, 59, 177, 313, 767, 939, 2301, 4069, 12207, 18467, 55401, 240071, 720213]

約数ペア:

[(1, 720213), (3, 240071), (13, 55401), (39, 18467), (59, 12207), (177, 4069), (313, 2301), (767, 939)]