31665039

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1301}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 51663360

約数和(自身を除く): 19998321

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 1301, 3477, 3903, 8113, 9107, 24339, 24719, 27321, 74157, 79361, 173033, 238083, 519099, 555527, 1507859, 1666581, 4523577, 10555013, 31665039]

約数ペア:

[(1, 31665039), (3, 10555013), (7, 4523577), (19, 1666581), (21, 1507859), (57, 555527), (61, 519099), (133, 238083), (183, 173033), (399, 79361), (427, 74157), (1159, 27321), (1281, 24719), (1301, 24339), (3477, 9107), (3903, 8113)]