27971979

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 46033920

約数和(自身を除く): 18061941

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1997, 2001, 4669, 5991, 13979, 14007, 41937, 45931, 57913, 137793, 173739, 321517, 405391, 964551, 1216173, 1331999, 3995997, 9323993, 27971979]

約数ペア:

[(1, 27971979), (3, 9323993), (7, 3995997), (21, 1331999), (23, 1216173), (29, 964551), (69, 405391), (87, 321517), (161, 173739), (203, 137793), (483, 57913), (609, 45931), (667, 41937), (1997, 14007), (2001, 13979), (4669, 5991)]