20181729

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{577}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 27466560

約数和(自身を除く): 7284831

約数列:

[1, 3, 89, 131, 267, 393, 577, 1731, 11659, 34977, 51353, 75587, 154059, 226761, 6727243, 20181729]

約数ペア:

[(1, 20181729), (3, 6727243), (89, 226761), (131, 154059), (267, 75587), (393, 51353), (577, 34977), (1731, 11659)]