197820789

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{2749}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 283668000

約数和(自身を除く): 85847211

約数列:

[1, 3, 17, 51, 83, 249, 289, 867, 1411, 2749, 4233, 8247, 23987, 46733, 71961, 140199, 228167, 684501, 794461, 2383383, 3878839, 11636517, 65940263, 197820789]

約数ペア:

[(1, 197820789), (3, 65940263), (17, 11636517), (51, 3878839), (83, 2383383), (249, 794461), (289, 684501), (867, 228167), (1411, 140199), (2749, 71961), (4233, 46733), (8247, 23987)]