203889

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 337440

約数和(自身を除く): 133551

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 133, 147, 219, 399, 511, 931, 1387, 1533, 2793, 3577, 4161, 9709, 10731, 29127, 67963, 203889]

約数ペア:

[(1, 203889), (3, 67963), (7, 29127), (19, 10731), (21, 9709), (49, 4161), (57, 3577), (73, 2793), (133, 1533), (147, 1387), (219, 931), (399, 511)]