217876593

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{3823}}^1$

素因数の和:4005

約数の個数: 24

約数和(自身を含む): 321430144

約数和(自身を除く): 103553551

約数列:

[1, 3, 11, 33, 121, 157, 363, 471, 1727, 3823, 5181, 11469, 18997, 42053, 56991, 126159, 462583, 600211, 1387749, 1800633, 6602321, 19806963, 72625531, 217876593]

約数ペア:

[(1, 217876593), (3, 72625531), (11, 19806963), (33, 6602321), (121, 1800633), (157, 1387749), (363, 600211), (471, 462583), (1727, 126159), (3823, 56991), (5181, 42053), (11469, 18997)]