389437503

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1426511}}^1$

素因数の和:1426534

約数の個数: 16

約数和(自身を含む): 639077376

約数和(自身を除く): 249639873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1426511, 4279533, 9985577, 18544643, 29956731, 55633929, 129812501, 389437503]

約数ペア:

[(1, 389437503), (3, 129812501), (7, 55633929), (13, 29956731), (21, 18544643), (39, 9985577), (91, 4279533), (273, 1426511)]