40359879

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1380

約数の個数: 36

約数和(自身を含む): 68824080

約数和(自身を除く): 28464201

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1289, 1491, 3479, 3867, 4473, 9023, 10437, 11601, 27069, 31311, 63161, 81207, 91519, 189483, 274557, 568449, 640633, 823671, 1921899, 4484431, 5765697, 13453293, 40359879]

約数ペア:

[(1, 40359879), (3, 13453293), (7, 5765697), (9, 4484431), (21, 1921899), (49, 823671), (63, 640633), (71, 568449), (147, 274557), (213, 189483), (441, 91519), (497, 81207), (639, 63161), (1289, 31311), (1491, 27069), (3479, 11601), (3867, 10437), (4473, 9023)]