84747789

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1247

約数の個数: 40

約数和(自身を含む): 145873728

約数和(自身を除く): 61125939

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 411, 567, 959, 1091, 1233, 2877, 3273, 3699, 7637, 8631, 9819, 11097, 22911, 25893, 29457, 68733, 77679, 88371, 149467, 206199, 448401, 618597, 1046269, 1345203, 3138807, 4035609, 9416421, 12106827, 28249263, 84747789]

約数ペア:

[(1, 84747789), (3, 28249263), (7, 12106827), (9, 9416421), (21, 4035609), (27, 3138807), (63, 1345203), (81, 1046269), (137, 618597), (189, 448401), (411, 206199), (567, 149467), (959, 88371), (1091, 77679), (1233, 68733), (2877, 29457), (3273, 25893), (3699, 22911), (7637, 11097), (8631, 9819)]