216751.00000000

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1013}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 37088064

約数和(自身を除く): 8929703

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 1013, 1463, 2527, 3971, 7091, 11143, 19247, 27797, 78001, 134729, 211717, 365693, 1482019, 2559851, 4022623, 28158361]

約数ペア:

[(1, 28158361), (7, 4022623), (11, 2559851), (19, 1482019), (77, 365693), (133, 211717), (209, 134729), (361, 78001), (1013, 27797), (1463, 19247), (2527, 11143), (3971, 7091)]