29100981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 50935808

約数和(自身を除く): 21834827

約数列:

[1, 3, 7, 13, 21, 37, 39, 43, 67, 91, 111, 129, 201, 259, 273, 301, 469, 481, 559, 777, 871, 903, 1407, 1443, 1591, 1677, 2479, 2613, 2881, 3367, 3913, 4773, 6097, 7437, 8643, 10101, 11137, 11739, 17353, 18291, 20167, 20683, 32227, 33411, 37453, 52059, 60501, 62049, 96681, 106597, 112359, 144781, 225589, 262171, 319791, 434343, 676767, 746179, 786513, 1385761, 2238537, 4157283, 9700327, 29100981]

約数ペア:

[(1, 29100981), (3, 9700327), (7, 4157283), (13, 2238537), (21, 1385761), (37, 786513), (39, 746179), (43, 676767), (67, 434343), (91, 319791), (111, 262171), (129, 225589), (201, 144781), (259, 112359), (273, 106597), (301, 96681), (469, 62049), (481, 60501), (559, 52059), (777, 37453), (871, 33411), (903, 32227), (1407, 20683), (1443, 20167), (1591, 18291), (1677, 17353), (2479, 11739), (2613, 11137), (2881, 10101), (3367, 8643), (3913, 7437), (4773, 6097)]