39905385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1811}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 69406848

約数和(自身を除く): 29501463

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 1469, 1695, 1811, 4407, 5433, 7345, 9055, 22035, 23543, 27165, 70629, 117715, 204643, 353145, 613929, 1023215, 2660359, 3069645, 7981077, 13301795, 39905385]

約数ペア:

[(1, 39905385), (3, 13301795), (5, 7981077), (13, 3069645), (15, 2660359), (39, 1023215), (65, 613929), (113, 353145), (195, 204643), (339, 117715), (565, 70629), (1469, 27165), (1695, 23543), (1811, 22035), (4407, 9055), (5433, 7345)]