27690065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9907}}^1$

素因数の和:9968

約数の個数: 16

約数和(自身を含む): 36619968

約数和(自身を除く): 8929903

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 9907, 49535, 128791, 426001, 643955, 2130005, 5538013, 27690065]

約数ペア:

[(1, 27690065), (5, 5538013), (13, 2130005), (43, 643955), (65, 426001), (215, 128791), (559, 49535), (2795, 9907)]