261163227

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3119}}^1$

素因数の和:3267

約数の個数: 32

約数和(自身を含む): 398361600

約数和(自身を除く): 137198373

約数列:

[1, 3, 13, 19, 39, 57, 113, 247, 339, 741, 1469, 2147, 3119, 4407, 6441, 9357, 27911, 40547, 59261, 83733, 121641, 177783, 352447, 770393, 1057341, 2311179, 4581811, 6696493, 13745433, 20089479, 87054409, 261163227]

約数ペア:

[(1, 261163227), (3, 87054409), (13, 20089479), (19, 13745433), (39, 6696493), (57, 4581811), (113, 2311179), (247, 1057341), (339, 770393), (741, 352447), (1469, 177783), (2147, 121641), (3119, 83733), (4407, 59261), (6441, 40547), (9357, 27911)]