15501537

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{907}}^1$

素因数の和:1130

約数の個数: 20

約数和(自身を含む): 23292016

約数和(自身を除く): 7790479

約数列:

[1, 3, 9, 27, 81, 211, 633, 907, 1899, 2721, 5697, 8163, 17091, 24489, 73467, 191377, 574131, 1722393, 5167179, 15501537]

約数ペア:

[(1, 15501537), (3, 5167179), (9, 1722393), (27, 574131), (81, 191377), (211, 73467), (633, 24489), (907, 17091), (1899, 8163), (2721, 5697)]