512811

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:512

約数の個数: 20

約数和(自身を含む): 826672

約数和(自身を除く): 313861

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 487, 1053, 1461, 4383, 6331, 13149, 18993, 39447, 56979, 170937, 512811]

約数ペア:

[(1, 512811), (3, 170937), (9, 56979), (13, 39447), (27, 18993), (39, 13149), (81, 6331), (117, 4383), (351, 1461), (487, 1053)]