309040719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18133}}^1$

素因数の和:18191

約数の個数: 32

約数和(自身を含む): 487441920

約数和(自身を除く): 178401201

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1311, 5681, 17043, 18133, 54399, 235729, 344527, 417059, 707187, 1033581, 1251177, 4478851, 5421767, 7924121, 13436553, 16265301, 23772363, 103013573, 309040719]

約数ペア:

[(1, 309040719), (3, 103013573), (13, 23772363), (19, 16265301), (23, 13436553), (39, 7924121), (57, 5421767), (69, 4478851), (247, 1251177), (299, 1033581), (437, 707187), (741, 417059), (897, 344527), (1311, 235729), (5681, 54399), (17043, 18133)]