2908143

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 5203968

約数和(自身を除く): 2295825

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 223, 483, 567, 621, 669, 1449, 1561, 1863, 2007, 4347, 4683, 5129, 6021, 13041, 14049, 15387, 18063, 35903, 42147, 46161, 107709, 126441, 138483, 323127, 415449, 969381, 2908143]

約数ペア:

[(1, 2908143), (3, 969381), (7, 415449), (9, 323127), (21, 138483), (23, 126441), (27, 107709), (63, 46161), (69, 42147), (81, 35903), (161, 18063), (189, 15387), (207, 14049), (223, 13041), (483, 6021), (567, 5129), (621, 4683), (669, 4347), (1449, 2007), (1561, 1863)]