28736379

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24007}}^1$

素因数の和:24039

約数の個数: 24

約数和(自身を含む): 49936640

約数和(自身を除く): 21200261

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 24007, 72021, 168049, 216063, 456133, 504147, 1368399, 1512441, 3192931, 4105197, 9578793, 28736379]

約数ペア:

[(1, 28736379), (3, 9578793), (7, 4105197), (9, 3192931), (19, 1512441), (21, 1368399), (57, 504147), (63, 456133), (133, 216063), (171, 168049), (399, 72021), (1197, 24007)]