272317953

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 390500352

約数和(自身を除く): 118182399

約数列:

[1, 3, 23, 47, 69, 131, 141, 393, 641, 1081, 1923, 3013, 3243, 6157, 9039, 14743, 18471, 30127, 44229, 83971, 90381, 141611, 251913, 424833, 692921, 1931333, 2078763, 3946637, 5793999, 11839911, 90772651, 272317953]

約数ペア:

[(1, 272317953), (3, 90772651), (23, 11839911), (47, 5793999), (69, 3946637), (131, 2078763), (141, 1931333), (393, 692921), (641, 424833), (1081, 251913), (1923, 141611), (3013, 90381), (3243, 83971), (6157, 44229), (9039, 30127), (14743, 18471)]