12684987

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{887}}^1$

素因数の和:1127

約数の個数: 24

約数和(自身を含む): 21056256

約数和(自身を除く): 8371269

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 887, 1589, 2043, 2661, 4767, 6209, 7983, 14301, 18627, 55881, 201349, 604047, 1409443, 1812141, 4228329, 12684987]

約数ペア:

[(1, 12684987), (3, 4228329), (7, 1812141), (9, 1409443), (21, 604047), (63, 201349), (227, 55881), (681, 18627), (887, 14301), (1589, 7983), (2043, 6209), (2661, 4767)]