17520381

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{1327}}^1$

素因数の和:1502

約数の個数: 20

約数和(自身を含む): 26352832

約数和(自身を除く): 8832451

約数列:

[1, 3, 9, 27, 81, 163, 489, 1327, 1467, 3981, 4401, 11943, 13203, 35829, 107487, 216301, 648903, 1946709, 5840127, 17520381]

約数ペア:

[(1, 17520381), (3, 5840127), (9, 1946709), (27, 648903), (81, 216301), (163, 107487), (489, 35829), (1327, 13203), (1467, 11943), (3981, 4401)]