648938683197

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{81107197}}^1$

素因数の和:81107337

約数の個数: 24

約数和(自身を含む): 1079699019776

約数和(自身を除く): 430760336579

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 81107197, 243321591, 567750379, 729964773, 1703251137, 5109753411, 10300614019, 30901842057, 72104298133, 92705526171, 216312894399, 648938683197]

約数ペア:

[(1, 648938683197), (3, 216312894399), (7, 92705526171), (9, 72104298133), (21, 30901842057), (63, 10300614019), (127, 5109753411), (381, 1703251137), (889, 729964773), (1143, 567750379), (2667, 243321591), (8001, 81107197)]