2391939

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 3876912

約数和(自身を除く): 1484973

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 653, 1221, 1959, 3663, 5877, 7183, 21549, 24161, 64647, 72483, 217449, 265771, 797313, 2391939]

約数ペア:

[(1, 2391939), (3, 797313), (9, 265771), (11, 217449), (33, 72483), (37, 64647), (99, 24161), (111, 21549), (333, 7183), (407, 5877), (653, 3663), (1221, 1959)]