261936697503

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{1319}}^1\times {\mathrm{391691}}^1$

素因数の和:393039

約数の個数: 24

約数和(自身を含む): 378468478080

約数和(自身を除く): 116531780577

約数列:

[1, 3, 13, 39, 169, 507, 1319, 3957, 17147, 51441, 222911, 391691, 668733, 1175073, 5091983, 15275949, 66195779, 198587337, 516640429, 1549921287, 6716325577, 20148976731, 87312232501, 261936697503]

約数ペア:

[(1, 261936697503), (3, 87312232501), (13, 20148976731), (39, 6716325577), (169, 1549921287), (507, 516640429), (1319, 198587337), (3957, 66195779), (17147, 15275949), (51441, 5091983), (222911, 1175073), (391691, 668733)]