17964423

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1693}}^1$

素因数の和:1836

約数の個数: 20

約数和(自身を含む): 27056568

約数和(自身を除く): 9092145

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 1693, 3537, 5079, 10611, 15237, 45711, 137133, 221783, 665349, 1996047, 5988141, 17964423]

約数ペア:

[(1, 17964423), (3, 5988141), (9, 1996047), (27, 665349), (81, 221783), (131, 137133), (393, 45711), (1179, 15237), (1693, 10611), (3537, 5079)]