12926445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 24678720

約数和(自身を除く): 11752275

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 409, 645, 735, 903, 1227, 1505, 2045, 2107, 2863, 4515, 6135, 6321, 8589, 10535, 14315, 17587, 20041, 31605, 42945, 52761, 60123, 87935, 100205, 123109, 263805, 300615, 369327, 615545, 861763, 1846635, 2585289, 4308815, 12926445]

約数ペア:

[(1, 12926445), (3, 4308815), (5, 2585289), (7, 1846635), (15, 861763), (21, 615545), (35, 369327), (43, 300615), (49, 263805), (105, 123109), (129, 100205), (147, 87935), (215, 60123), (245, 52761), (301, 42945), (409, 31605), (645, 20041), (735, 17587), (903, 14315), (1227, 10535), (1505, 8589), (2045, 6321), (2107, 6135), (2863, 4515)]