18501561

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{52711}}^1$

素因数の和:52733

約数の個数: 16

約数和(自身を含む): 29518720

約数和(自身を除く): 11017159

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 52711, 158133, 474399, 685243, 1423197, 2055729, 6167187, 18501561]

約数ペア:

[(1, 18501561), (3, 6167187), (9, 2055729), (13, 1423197), (27, 685243), (39, 474399), (117, 158133), (351, 52711)]