20091309

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6421}}^1$

素因数の和:6580

約数の個数: 16

約数和(自身を含む): 30825600

約数和(自身を除く): 10734291

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6421, 19263, 44947, 134841, 956729, 2870187, 6697103, 20091309]

約数ペア:

[(1, 20091309), (3, 6697103), (7, 2870187), (21, 956729), (149, 134841), (447, 44947), (1043, 19263), (3129, 6421)]