1280491719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{75133}}^1$

素因数の和:75191

約数の個数: 32

約数和(自身を含む): 2019601920

約数和(自身を除く): 739110201

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1311, 5681, 17043, 75133, 225399, 976729, 1427527, 1728059, 2930187, 4282581, 5184177, 18557851, 22464767, 32833121, 55673553, 67394301, 98499363, 426830573, 1280491719]

約数ペア:

[(1, 1280491719), (3, 426830573), (13, 98499363), (19, 67394301), (23, 55673553), (39, 32833121), (57, 22464767), (69, 18557851), (247, 5184177), (299, 4282581), (437, 2930187), (741, 1728059), (897, 1427527), (1311, 976729), (5681, 225399), (17043, 75133)]