2021107965

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{778847}}^1$

素因数の和:779028

約数の個数: 16

約数和(自身を含む): 3252469248

約数和(自身を除く): 1231361283

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 778847, 2336541, 3894235, 11682705, 134740531, 404221593, 673702655, 2021107965]

約数ペア:

[(1, 2021107965), (3, 673702655), (5, 404221593), (15, 134740531), (173, 11682705), (519, 3894235), (865, 2336541), (2595, 778847)]