2012171805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{1423}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 4049240832

約数和(自身を除く): 2037069027

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 201, 315, 335, 469, 603, 1005, 1407, 1423, 2345, 3015, 4221, 4269, 4489, 7035, 7115, 9961, 12807, 13467, 21105, 21345, 22445, 29883, 31423, 40401, 49805, 64035, 67335, 89649, 94269, 95341, 149415, 157115, 202005, 282807, 286023, 448245, 471345, 476705, 667387, 858069, 1414035, 1430115, 2002161, 3336935, 4290345, 6006483, 6387847, 10010805, 19163541, 30032415, 31939235, 44714929, 57490623, 95817705, 134144787, 223574645, 287453115, 402434361, 670723935, 2012171805]

約数ペア:

[(1, 2012171805), (3, 670723935), (5, 402434361), (7, 287453115), (9, 223574645), (15, 134144787), (21, 95817705), (35, 57490623), (45, 44714929), (63, 31939235), (67, 30032415), (105, 19163541), (201, 10010805), (315, 6387847), (335, 6006483), (469, 4290345), (603, 3336935), (1005, 2002161), (1407, 1430115), (1423, 1414035), (2345, 858069), (3015, 667387), (4221, 476705), (4269, 471345), (4489, 448245), (7035, 286023), (7115, 282807), (9961, 202005), (12807, 157115), (13467, 149415), (21105, 95341), (21345, 94269), (22445, 89649), (29883, 67335), (31423, 64035), (40401, 49805)]