81193135

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1\times {\mathrm{523}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 99413280

約数和(自身を除く): 18220145

約数列:

[1, 5, 61, 305, 509, 523, 2545, 2615, 31049, 31903, 155245, 159515, 266207, 1331035, 16238627, 81193135]

約数ペア:

[(1, 81193135), (5, 16238627), (61, 1331035), (305, 266207), (509, 159515), (523, 155245), (2545, 31903), (2615, 31049)]