81309618

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{26729}}^1$

素因数の和:26763

約数の個数: 36

約数和(自身を含む): 190772010

約数和(自身を除く): 109462392

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 26729, 53458, 80187, 160374, 240561, 347477, 481122, 694954, 1042431, 2084862, 3127293, 4517201, 6254586, 9034402, 13551603, 27103206, 40654809, 81309618]

約数ペア:

[(1, 81309618), (2, 40654809), (3, 27103206), (6, 13551603), (9, 9034402), (13, 6254586), (18, 4517201), (26, 3127293), (39, 2084862), (78, 1042431), (117, 694954), (169, 481122), (234, 347477), (338, 240561), (507, 160374), (1014, 80187), (1521, 53458), (3042, 26729)]