28403913

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 38658816

約数和(自身を除く): 10254903

約数列:

[1, 3, 67, 201, 251, 563, 753, 1689, 16817, 37721, 50451, 113163, 141313, 423939, 9467971, 28403913]

約数ペア:

[(1, 28403913), (3, 9467971), (67, 423939), (201, 141313), (251, 113163), (563, 50451), (753, 37721), (1689, 16817)]