81150804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7489}}^1$

素因数の和:7549

約数の個数: 72

約数和(自身を含む): 239919680

約数和(自身を除く): 158768876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 7489, 10836, 14978, 22467, 29956, 44934, 52423, 67401, 89868, 104846, 134802, 157269, 209692, 269604, 314538, 322027, 471807, 629076, 644054, 943614, 966081, 1288108, 1887228, 1932162, 2254189, 2898243, 3864324, 4508378, 5796486, 6762567, 9016756, 11592972, 13525134, 20287701, 27050268, 40575402, 81150804]

約数ペア:

[(1, 81150804), (2, 40575402), (3, 27050268), (4, 20287701), (6, 13525134), (7, 11592972), (9, 9016756), (12, 6762567), (14, 5796486), (18, 4508378), (21, 3864324), (28, 2898243), (36, 2254189), (42, 1932162), (43, 1887228), (63, 1288108), (84, 966081), (86, 943614), (126, 644054), (129, 629076), (172, 471807), (252, 322027), (258, 314538), (301, 269604), (387, 209692), (516, 157269), (602, 134802), (774, 104846), (903, 89868), (1204, 67401), (1548, 52423), (1806, 44934), (2709, 29956), (3612, 22467), (5418, 14978), (7489, 10836)]