218219313

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{929}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 331228800

約数和(自身を除く): 113009487

約数列:

[1, 3, 13, 19, 39, 57, 247, 317, 741, 929, 951, 2787, 4121, 6023, 12077, 12363, 17651, 18069, 36231, 52953, 78299, 229463, 234897, 294493, 688389, 883479, 3828409, 5595367, 11485227, 16786101, 72739771, 218219313]

約数ペア:

[(1, 218219313), (3, 72739771), (13, 16786101), (19, 11485227), (39, 5595367), (57, 3828409), (247, 883479), (317, 688389), (741, 294493), (929, 234897), (951, 229463), (2787, 78299), (4121, 52953), (6023, 36231), (12077, 18069), (12363, 17651)]