251017584417

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{320584399}}^1$

素因数の和:320584437

約数の個数: 16

約数和(自身を含む): 384701280000

約数和(自身を除く): 133683695583

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 320584399, 961753197, 2885259591, 8655778773, 9296947571, 27890842713, 83672528139, 251017584417]

約数ペア:

[(1, 251017584417), (3, 83672528139), (9, 27890842713), (27, 9296947571), (29, 8655778773), (87, 2885259591), (261, 961753197), (783, 320584399)]