309994863

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 431853312

約数和(自身を除く): 121858449

約数列:

[1, 3, 61, 67, 131, 183, 193, 201, 393, 579, 4087, 7991, 8777, 11773, 12261, 12931, 23973, 25283, 26331, 35319, 38793, 75849, 535397, 788791, 1542263, 1606191, 1693961, 2366373, 4626789, 5081883, 103331621, 309994863]

約数ペア:

[(1, 309994863), (3, 103331621), (61, 5081883), (67, 4626789), (131, 2366373), (183, 1693961), (193, 1606191), (201, 1542263), (393, 788791), (579, 535397), (4087, 75849), (7991, 38793), (8777, 35319), (11773, 26331), (12261, 25283), (12931, 23973)]