205503831

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1553}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 341258400

約数和(自身を除く): 135754569

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 169, 261, 351, 377, 507, 783, 1131, 1521, 1553, 3393, 4563, 4659, 4901, 10179, 13977, 14703, 20189, 41931, 44109, 45037, 60567, 132327, 135111, 181701, 262457, 405333, 545103, 585481, 787371, 1215999, 1756443, 2362113, 5269329, 7086339, 7611253, 15807987, 22833759, 68501277, 205503831]

約数ペア:

[(1, 205503831), (3, 68501277), (9, 22833759), (13, 15807987), (27, 7611253), (29, 7086339), (39, 5269329), (87, 2362113), (117, 1756443), (169, 1215999), (261, 787371), (351, 585481), (377, 545103), (507, 405333), (783, 262457), (1131, 181701), (1521, 135111), (1553, 132327), (3393, 60567), (4563, 45037), (4659, 44109), (4901, 41931), (10179, 20189), (13977, 14703)]