201218157

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{8609}}^1$

素因数の和:8682

約数の個数: 36

約数和(自身を含む): 344520540

約数和(自身を除く): 143302383

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 2597, 3339, 7791, 8609, 23373, 25827, 60263, 77481, 180789, 421841, 456277, 542367, 1265523, 1368831, 3193939, 3796569, 4106493, 9581817, 22357573, 28745451, 67072719, 201218157]

約数ペア:

[(1, 201218157), (3, 67072719), (7, 28745451), (9, 22357573), (21, 9581817), (49, 4106493), (53, 3796569), (63, 3193939), (147, 1368831), (159, 1265523), (371, 542367), (441, 456277), (477, 421841), (1113, 180789), (2597, 77481), (3339, 60263), (7791, 25827), (8609, 23373)]