287355843

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{9511}}^1$

素因数の和:9896

約数の個数: 20

約数和(自身を含む): 430456048

約数和(自身を除く): 143100205

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 9511, 10071, 28533, 30213, 85599, 256797, 770391, 3547603, 10642809, 31928427, 95785281, 287355843]

約数ペア:

[(1, 287355843), (3, 95785281), (9, 31928427), (27, 10642809), (81, 3547603), (373, 770391), (1119, 256797), (3357, 85599), (9511, 30213), (10071, 28533)]