80278317

素因数分解:

$3^3\times 7^2\times {\mathrm{60679}}^1$

素因数の和:60702

約数の個数: 24

約数和(自身を含む): 138350400

約数和(自身を除く): 58072083

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 60679, 182037, 424753, 546111, 1274259, 1638333, 2973271, 3822777, 8919813, 11468331, 26759439, 80278317]

約数ペア:

[(1, 80278317), (3, 26759439), (7, 11468331), (9, 8919813), (21, 3822777), (27, 2973271), (49, 1638333), (63, 1274259), (147, 546111), (189, 424753), (441, 182037), (1323, 60679)]