205121631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{478139}}^1$

素因数の和:478166

約数の個数: 16

約数和(自身を含む): 321310080

約数和(自身を除く): 116188449

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 478139, 1434417, 5259529, 6215807, 15778587, 18647421, 68373877, 205121631]

約数ペア:

[(1, 205121631), (3, 68373877), (11, 18647421), (13, 15778587), (33, 6215807), (39, 5259529), (143, 1434417), (429, 478139)]