28856466429

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72321971}}^1$

素因数の和:72322000

約数の個数: 16

約数和(自身を含む): 46286062080

約数和(自身を除く): 17429595651

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72321971, 216965913, 506253797, 1374117449, 1518761391, 4122352347, 9618822143, 28856466429]

約数ペア:

[(1, 28856466429), (3, 9618822143), (7, 4122352347), (19, 1518761391), (21, 1374117449), (57, 506253797), (133, 216965913), (399, 72321971)]