427687587

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{1013}}^1$

素因数の和:1864

約数の個数: 32

約数和(自身を含む): 668428800

約数和(自身を除く): 240741213

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 823, 1013, 2469, 3039, 7407, 9117, 15637, 19247, 22221, 27351, 46911, 57741, 140733, 173223, 422199, 519669, 833699, 2501097, 7503291, 15840281, 22509873, 47520843, 142562529, 427687587]

約数ペア:

[(1, 427687587), (3, 142562529), (9, 47520843), (19, 22509873), (27, 15840281), (57, 7503291), (171, 2501097), (513, 833699), (823, 519669), (1013, 422199), (2469, 173223), (3039, 140733), (7407, 57741), (9117, 46911), (15637, 27351), (19247, 22221)]