389618943

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 628448256

約数和(自身を除く): 238829313

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 193, 217, 443, 579, 651, 1329, 1351, 1519, 3101, 4053, 4557, 5983, 9303, 9457, 13733, 17949, 21707, 28371, 41199, 41881, 65121, 85499, 96131, 125643, 256497, 288393, 293167, 598493, 672917, 879501, 1795479, 2018751, 2650469, 4189451, 7951407, 12568353, 18553283, 55659849, 129872981, 389618943]

約数ペア:

[(1, 389618943), (3, 129872981), (7, 55659849), (21, 18553283), (31, 12568353), (49, 7951407), (93, 4189451), (147, 2650469), (193, 2018751), (217, 1795479), (443, 879501), (579, 672917), (651, 598493), (1329, 293167), (1351, 288393), (1519, 256497), (3101, 125643), (4053, 96131), (4557, 85499), (5983, 65121), (9303, 41881), (9457, 41199), (13733, 28371), (17949, 21707)]