65721789

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2099}}^1$

素因数の和:2190

約数の個数: 36

約数和(自身を含む): 112039200

約数和(自身を除く): 46317411

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 2099, 3479, 4473, 6297, 10437, 14693, 18891, 31311, 44079, 102851, 132237, 149029, 308553, 447087, 925659, 1043203, 1341261, 3129609, 7302421, 9388827, 21907263, 65721789]

約数ペア:

[(1, 65721789), (3, 21907263), (7, 9388827), (9, 7302421), (21, 3129609), (49, 1341261), (63, 1043203), (71, 925659), (147, 447087), (213, 308553), (441, 149029), (497, 132237), (639, 102851), (1491, 44079), (2099, 31311), (3479, 18891), (4473, 14693), (6297, 10437)]