13157823

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 21568000

約数和(自身を除く): 8410177

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 673, 931, 1029, 2019, 2793, 4711, 6517, 12787, 14133, 19551, 32977, 38361, 89509, 98931, 230839, 268527, 626563, 692517, 1879689, 4385941, 13157823]

約数ペア:

[(1, 13157823), (3, 4385941), (7, 1879689), (19, 692517), (21, 626563), (49, 268527), (57, 230839), (133, 98931), (147, 89509), (343, 38361), (399, 32977), (673, 19551), (931, 14133), (1029, 12787), (2019, 6517), (2793, 4711)]