201812919

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 344342016

約数和(自身を除く): 142529097

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 137, 147, 231, 411, 539, 911, 959, 1507, 1617, 2733, 2877, 4521, 6377, 6713, 10021, 10549, 19131, 20139, 30063, 31647, 44639, 70147, 73843, 124807, 133917, 210441, 221529, 374421, 491029, 873649, 1372877, 1473087, 2620947, 4118631, 6115543, 9610139, 18346629, 28830417, 67270973, 201812919]

約数ペア:

[(1, 201812919), (3, 67270973), (7, 28830417), (11, 18346629), (21, 9610139), (33, 6115543), (49, 4118631), (77, 2620947), (137, 1473087), (147, 1372877), (231, 873649), (411, 491029), (539, 374421), (911, 221529), (959, 210441), (1507, 133917), (1617, 124807), (2733, 73843), (2877, 70147), (4521, 44639), (6377, 31647), (6713, 30063), (10021, 20139), (10549, 19131)]