8472519

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 40

約数和(自身を含む): 14235408

約数和(自身を除く): 5762889

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 257, 297, 333, 407, 771, 891, 999, 1221, 2313, 2827, 2997, 3663, 6939, 8481, 9509, 10989, 20817, 25443, 28527, 32967, 76329, 85581, 104599, 228987, 256743, 313797, 770229, 941391, 2824173, 8472519]

約数ペア:

[(1, 8472519), (3, 2824173), (9, 941391), (11, 770229), (27, 313797), (33, 256743), (37, 228987), (81, 104599), (99, 85581), (111, 76329), (257, 32967), (297, 28527), (333, 25443), (407, 20817), (771, 10989), (891, 9509), (999, 8481), (1221, 6939), (2313, 3663), (2827, 2997)]