1220951517

素因数分解:

$3^1\times {\mathrm{503}}^1\times {\mathrm{521}}^1\times {\mathrm{1553}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 1635355008

約数和(自身を除く): 414403491

約数列:

[1, 3, 503, 521, 1509, 1553, 1563, 4659, 262063, 781159, 786189, 809113, 2343477, 2427339, 406983839, 1220951517]

約数ペア:

[(1, 1220951517), (3, 406983839), (503, 2427339), (521, 2343477), (1509, 809113), (1553, 786189), (1563, 781159), (4659, 262063)]