2947366947

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{210421}}^1$

素因数の和:210483

約数の個数: 32

約数和(自身を含む): 4848122880

約数和(自身を除く): 1900755933

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 2001, 4669, 14007, 210421, 631263, 1472947, 4418841, 4839683, 6102209, 14519049, 18306627, 33877781, 42715463, 101633343, 128146389, 140350807, 421052421, 982455649, 2947366947]

約数ペア:

[(1, 2947366947), (3, 982455649), (7, 421052421), (21, 140350807), (23, 128146389), (29, 101633343), (69, 42715463), (87, 33877781), (161, 18306627), (203, 14519049), (483, 6102209), (609, 4839683), (667, 4418841), (2001, 1472947), (4669, 631263), (14007, 210421)]