28415127

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 44369920

約数和(自身を除く): 15954793

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1237, 1767, 3711, 7657, 16081, 22971, 23503, 38347, 48243, 70509, 115041, 305539, 498511, 728593, 916617, 1495533, 2185779, 9471709, 28415127]

約数ペア:

[(1, 28415127), (3, 9471709), (13, 2185779), (19, 1495533), (31, 916617), (39, 728593), (57, 498511), (93, 305539), (247, 115041), (403, 70509), (589, 48243), (741, 38347), (1209, 23503), (1237, 22971), (1767, 16081), (3711, 7657)]