2151279

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:258

約数の個数: 28

約数和(自身を含む): 3488856

約数和(自身を除く): 1337577

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 227, 243, 351, 681, 729, 1053, 2043, 2951, 3159, 6129, 8853, 9477, 18387, 26559, 55161, 79677, 165483, 239031, 717093, 2151279]

約数ペア:

[(1, 2151279), (3, 717093), (9, 239031), (13, 165483), (27, 79677), (39, 55161), (81, 26559), (117, 18387), (227, 9477), (243, 8853), (351, 6129), (681, 3159), (729, 2951), (1053, 2043)]