1921263765

素因数分解:

$3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{251639}}^1$

素因数の和:252156

約数の個数: 16

約数和(自身を含む): 3080073600

約数和(自身を除く): 1158809835

約数列:

[1, 3, 5, 15, 509, 1527, 2545, 7635, 251639, 754917, 1258195, 3774585, 128084251, 384252753, 640421255, 1921263765]

約数ペア:

[(1, 1921263765), (3, 640421255), (5, 384252753), (15, 128084251), (509, 3774585), (1527, 1258195), (2545, 754917), (7635, 251639)]