218363769

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1583}}^1$

素因数の和:1739

約数の個数: 40

約数和(自身を含む): 354195072

約数和(自身を除く): 135831303

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 131, 351, 393, 1053, 1179, 1583, 1703, 3537, 4749, 5109, 10611, 14247, 15327, 20579, 42741, 45981, 61737, 128223, 137943, 185211, 207373, 555633, 622119, 1666899, 1866357, 2695849, 5599071, 8087547, 16797213, 24262641, 72787923, 218363769]

約数ペア:

[(1, 218363769), (3, 72787923), (9, 24262641), (13, 16797213), (27, 8087547), (39, 5599071), (81, 2695849), (117, 1866357), (131, 1666899), (351, 622119), (393, 555633), (1053, 207373), (1179, 185211), (1583, 137943), (1703, 128223), (3537, 61737), (4749, 45981), (5109, 42741), (10611, 20579), (14247, 15327)]