81705666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{3083}}^1$

素因数の和:3726

約数の個数: 32

約数和(自身を含む): 187112448

約数和(自身を除く): 105406782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 631, 1262, 1893, 3083, 3786, 4417, 6166, 8834, 9249, 13251, 18498, 21581, 26502, 43162, 64743, 129486, 1945373, 3890746, 5836119, 11672238, 13617611, 27235222, 40852833, 81705666]

約数ペア:

[(1, 81705666), (2, 40852833), (3, 27235222), (6, 13617611), (7, 11672238), (14, 5836119), (21, 3890746), (42, 1945373), (631, 129486), (1262, 64743), (1893, 43162), (3083, 26502), (3786, 21581), (4417, 18498), (6166, 13251), (8834, 9249)]