31158918

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 112

約数和(自身を含む): 83102976

約数和(自身を除く): 51944058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 71, 81, 86, 126, 129, 142, 162, 189, 213, 243, 258, 301, 378, 387, 426, 486, 497, 567, 602, 639, 729, 774, 903, 994, 1134, 1161, 1278, 1458, 1491, 1701, 1806, 1917, 2322, 2709, 2982, 3053, 3402, 3483, 3834, 4473, 5103, 5418, 5751, 6106, 6966, 8127, 8946, 9159, 10206, 10449, 11502, 13419, 16254, 17253, 18318, 20898, 21371, 24381, 26838, 27477, 31347, 34506, 40257, 42742, 48762, 51759, 54954, 62694, 64113, 73143, 80514, 82431, 103518, 120771, 128226, 146286, 164862, 192339, 219429, 241542, 247293, 362313, 384678, 438858, 494586, 577017, 724626, 741879, 1154034, 1483758, 1731051, 2225637, 3462102, 4451274, 5193153, 10386306, 15579459, 31158918]

約数ペア:

[(1, 31158918), (2, 15579459), (3, 10386306), (6, 5193153), (7, 4451274), (9, 3462102), (14, 2225637), (18, 1731051), (21, 1483758), (27, 1154034), (42, 741879), (43, 724626), (54, 577017), (63, 494586), (71, 438858), (81, 384678), (86, 362313), (126, 247293), (129, 241542), (142, 219429), (162, 192339), (189, 164862), (213, 146286), (243, 128226), (258, 120771), (301, 103518), (378, 82431), (387, 80514), (426, 73143), (486, 64113), (497, 62694), (567, 54954), (602, 51759), (639, 48762), (729, 42742), (774, 40257), (903, 34506), (994, 31347), (1134, 27477), (1161, 26838), (1278, 24381), (1458, 21371), (1491, 20898), (1701, 18318), (1806, 17253), (1917, 16254), (2322, 13419), (2709, 11502), (2982, 10449), (3053, 10206), (3402, 9159), (3483, 8946), (3834, 8127), (4473, 6966), (5103, 6106), (5418, 5751)]