72647127

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 127445760

約数和(自身を除く): 54798633

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 171, 399, 411, 443, 959, 1197, 1233, 1329, 2603, 2877, 3101, 3987, 7809, 8417, 8631, 9303, 18221, 23427, 25251, 27909, 54663, 58919, 60691, 75753, 163989, 176757, 182073, 424837, 530271, 546219, 1153129, 1274511, 3459387, 3823533, 8071903, 10378161, 24215709, 72647127]

約数ペア:

[(1, 72647127), (3, 24215709), (7, 10378161), (9, 8071903), (19, 3823533), (21, 3459387), (57, 1274511), (63, 1153129), (133, 546219), (137, 530271), (171, 424837), (399, 182073), (411, 176757), (443, 163989), (959, 75753), (1197, 60691), (1233, 58919), (1329, 54663), (2603, 27909), (2877, 25251), (3101, 23427), (3987, 18221), (7809, 9303), (8417, 8631)]