205120198917

素因数分解:

$3^2\times {\mathrm{19}}^3\times {\mathrm{3322807}}^1$

素因数の和:3322870

約数の個数: 24

約数和(自身を含む): 312742688960

約数和(自身を除く): 107622490043

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 6859, 20577, 61731, 3322807, 9968421, 29905263, 63133333, 189399999, 568199997, 1199533327, 3598599981, 10795799943, 22791133213, 68373399639, 205120198917]

約数ペア:

[(1, 205120198917), (3, 68373399639), (9, 22791133213), (19, 10795799943), (57, 3598599981), (171, 1199533327), (361, 568199997), (1083, 189399999), (3249, 63133333), (6859, 29905263), (20577, 9968421), (61731, 3322807)]