398404083

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{12589}}^1$

素因数の和:12747

約数の個数: 32

約数和(自身を含む): 667169280

約数和(自身を除く): 268765197

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2877, 4521, 10549, 12589, 31647, 37767, 88123, 138479, 264369, 415437, 969353, 1724693, 2908059, 5174079, 12072851, 18971623, 36218553, 56914869, 132801361, 398404083]

約数ペア:

[(1, 398404083), (3, 132801361), (7, 56914869), (11, 36218553), (21, 18971623), (33, 12072851), (77, 5174079), (137, 2908059), (231, 1724693), (411, 969353), (959, 415437), (1507, 264369), (2877, 138479), (4521, 88123), (10549, 37767), (12589, 31647)]