81271323

素因数分解:

$3^3\times 7^1\times {\mathrm{430007}}^1$

素因数の和:430023

約数の個数: 16

約数和(自身を含む): 137602560

約数和(自身を除く): 56331237

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 430007, 1290021, 3010049, 3870063, 9030147, 11610189, 27090441, 81271323]

約数ペア:

[(1, 81271323), (3, 27090441), (7, 11610189), (9, 9030147), (21, 3870063), (27, 3010049), (63, 1290021), (189, 430007)]