1398222

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{137}}^1$

素因数の和:164

約数の個数: 56

約数和(自身を含む): 3620016

約数和(自身を除く): 2221794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 137, 162, 189, 243, 274, 378, 411, 486, 567, 729, 822, 959, 1134, 1233, 1458, 1701, 1918, 2466, 2877, 3402, 3699, 5103, 5754, 7398, 8631, 10206, 11097, 17262, 22194, 25893, 33291, 51786, 66582, 77679, 99873, 155358, 199746, 233037, 466074, 699111, 1398222]

約数ペア:

[(1, 1398222), (2, 699111), (3, 466074), (6, 233037), (7, 199746), (9, 155358), (14, 99873), (18, 77679), (21, 66582), (27, 51786), (42, 33291), (54, 25893), (63, 22194), (81, 17262), (126, 11097), (137, 10206), (162, 8631), (189, 7398), (243, 5754), (274, 5103), (378, 3699), (411, 3402), (486, 2877), (567, 2466), (729, 1918), (822, 1701), (959, 1458), (1134, 1233)]