1200021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 1732800

約数和(自身を除く): 532779

約数列:

[1, 3, 19, 37, 57, 111, 569, 703, 1707, 2109, 10811, 21053, 32433, 63159, 400007, 1200021]

約数ペア:

[(1, 1200021), (3, 400007), (19, 63159), (37, 32433), (57, 21053), (111, 10811), (569, 2109), (703, 1707)]