220173021

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{1223}}^1$

素因数の和:1553

約数の個数: 24

約数和(自身を含む): 323459136

約数和(自身を除く): 103286115

約数列:

[1, 3, 9, 83, 241, 249, 723, 747, 1223, 2169, 3669, 11007, 20003, 60009, 101509, 180027, 294743, 304527, 884229, 913581, 2652687, 24463669, 73391007, 220173021]

約数ペア:

[(1, 220173021), (3, 73391007), (9, 24463669), (83, 2652687), (241, 913581), (249, 884229), (723, 304527), (747, 294743), (1223, 180027), (2169, 101509), (3669, 60009), (11007, 20003)]