2779821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 4489056

約数和(自身を除く): 1709235

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 653, 1419, 1959, 4257, 5877, 7183, 21549, 28079, 64647, 84237, 252711, 308869, 926607, 2779821]

約数ペア:

[(1, 2779821), (3, 926607), (9, 308869), (11, 252711), (33, 84237), (43, 64647), (99, 28079), (129, 21549), (387, 7183), (473, 5877), (653, 4257), (1419, 1959)]