81856818

素因数分解:

$2^1\times 3^4\times {\mathrm{439}}^1\times {\mathrm{1151}}^1$

素因数の和:1604

約数の個数: 40

約数和(自身を含む): 183997440

約数和(自身を除く): 102140622

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 439, 878, 1151, 1317, 2302, 2634, 3453, 3951, 6906, 7902, 10359, 11853, 20718, 23706, 31077, 35559, 62154, 71118, 93231, 186462, 505289, 1010578, 1515867, 3031734, 4547601, 9095202, 13642803, 27285606, 40928409, 81856818]

約数ペア:

[(1, 81856818), (2, 40928409), (3, 27285606), (6, 13642803), (9, 9095202), (18, 4547601), (27, 3031734), (54, 1515867), (81, 1010578), (162, 505289), (439, 186462), (878, 93231), (1151, 71118), (1317, 62154), (2302, 35559), (2634, 31077), (3453, 23706), (3951, 20718), (6906, 11853), (7902, 10359)]