81400878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{26759}}^1$

素因数の和:26793

約数の個数: 36

約数和(自身を含む): 190986120

約数和(自身を除く): 109585242

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 26759, 53518, 80277, 160554, 240831, 347867, 481662, 695734, 1043601, 2087202, 3130803, 4522271, 6261606, 9044542, 13566813, 27133626, 40700439, 81400878]

約数ペア:

[(1, 81400878), (2, 40700439), (3, 27133626), (6, 13566813), (9, 9044542), (13, 6261606), (18, 4522271), (26, 3130803), (39, 2087202), (78, 1043601), (117, 695734), (169, 481662), (234, 347867), (338, 240831), (507, 160554), (1014, 80277), (1521, 53518), (3042, 26759)]