23128371

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 39896064

約数和(自身を除く): 16767693

約数列:

[1, 3, 7, 9, 21, 47, 63, 73, 107, 141, 219, 321, 329, 423, 511, 657, 749, 963, 987, 1533, 2247, 2961, 3431, 4599, 5029, 6741, 7811, 10293, 15087, 23433, 24017, 30879, 35203, 45261, 54677, 70299, 72051, 105609, 164031, 216153, 316827, 367117, 492093, 1101351, 2569819, 3304053, 7709457, 23128371]

約数ペア:

[(1, 23128371), (3, 7709457), (7, 3304053), (9, 2569819), (21, 1101351), (47, 492093), (63, 367117), (73, 316827), (107, 216153), (141, 164031), (219, 105609), (321, 72051), (329, 70299), (423, 54677), (511, 45261), (657, 35203), (749, 30879), (963, 24017), (987, 23433), (1533, 15087), (2247, 10293), (2961, 7811), (3431, 6741), (4599, 5029)]