28249773

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 41582592

約数和(自身を除く): 13332819

約数列:

[1, 3, 23, 31, 47, 69, 93, 141, 281, 713, 843, 1081, 1457, 2139, 3243, 4371, 6463, 8711, 13207, 19389, 26133, 33511, 39621, 100533, 200353, 303761, 409417, 601059, 911283, 1228251, 9416591, 28249773]

約数ペア:

[(1, 28249773), (3, 9416591), (23, 1228251), (31, 911283), (47, 601059), (69, 409417), (93, 303761), (141, 200353), (281, 100533), (713, 39621), (843, 33511), (1081, 26133), (1457, 19389), (2139, 13207), (3243, 8711), (4371, 6463)]