290863455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{1151}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 493682688

約数和(自身を除く): 202819233

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 991, 1151, 2973, 3453, 4955, 5755, 14865, 16847, 17265, 19567, 50541, 58701, 84235, 97835, 252705, 293505, 1140641, 3421923, 5703205, 17109615, 19390897, 58172691, 96954485, 290863455]

約数ペア:

[(1, 290863455), (3, 96954485), (5, 58172691), (15, 19390897), (17, 17109615), (51, 5703205), (85, 3421923), (255, 1140641), (991, 293505), (1151, 252705), (2973, 97835), (3453, 84235), (4955, 58701), (5755, 50541), (14865, 19567), (16847, 17265)]