18271503

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 27096368

約数和(自身を除く): 8824865

約数列:

[1, 3, 9, 67, 157, 193, 201, 471, 579, 603, 1413, 1737, 10519, 12931, 30301, 31557, 38793, 90903, 94671, 116379, 272709, 2030167, 6090501, 18271503]

約数ペア:

[(1, 18271503), (3, 6090501), (9, 2030167), (67, 272709), (157, 116379), (193, 94671), (201, 90903), (471, 38793), (579, 31557), (603, 30301), (1413, 12931), (1737, 10519)]