217807551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{3701}}^1$

素因数の和:4223

約数の個数: 24

約数和(自身を含む): 339577056

約数和(自身を除く): 121769505

約数列:

[1, 3, 9, 13, 39, 117, 503, 1509, 3701, 4527, 6539, 11103, 19617, 33309, 48113, 58851, 144339, 433017, 1861603, 5584809, 16754427, 24200839, 72602517, 217807551]

約数ペア:

[(1, 217807551), (3, 72602517), (9, 24200839), (13, 16754427), (39, 5584809), (117, 1861603), (503, 433017), (1509, 144339), (3701, 58851), (4527, 48113), (6539, 33309), (11103, 19617)]