19851021

素因数分解:

$3^3\times {\mathrm{271}}^1\times {\mathrm{2713}}^1$

素因数の和:2993

約数の個数: 16

約数和(自身を含む): 29528320

約数和(自身を除く): 9677299

約数列:

[1, 3, 9, 27, 271, 813, 2439, 2713, 7317, 8139, 24417, 73251, 735223, 2205669, 6617007, 19851021]

約数ペア:

[(1, 19851021), (3, 6617007), (9, 2205669), (27, 735223), (271, 73251), (813, 24417), (2439, 8139), (2713, 7317)]