19890915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{120551}}^1$

素因数の和:120570

約数の個数: 16

約数和(自身を含む): 34718976

約数和(自身を除く): 14828061

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 120551, 361653, 602755, 1326061, 1808265, 3978183, 6630305, 19890915]

約数ペア:

[(1, 19890915), (3, 6630305), (5, 3978183), (11, 1808265), (15, 1326061), (33, 602755), (55, 361653), (165, 120551)]