13445943

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 21312000

約数和(自身を除く): 7866057

約数列:

[1, 3, 7, 21, 49, 73, 147, 179, 219, 343, 511, 537, 1029, 1253, 1533, 3577, 3759, 8771, 10731, 13067, 25039, 26313, 39201, 61397, 75117, 91469, 184191, 274407, 640283, 1920849, 4481981, 13445943]

約数ペア:

[(1, 13445943), (3, 4481981), (7, 1920849), (21, 640283), (49, 274407), (73, 184191), (147, 91469), (179, 75117), (219, 61397), (343, 39201), (511, 26313), (537, 25039), (1029, 13067), (1253, 10731), (1533, 8771), (3577, 3759)]