28975551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 45600000

約数和(自身を除く): 16624449

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1221, 1249, 2109, 3747, 7733, 13739, 23199, 23731, 41217, 46213, 71193, 138639, 261041, 508343, 783123, 878047, 1525029, 2634141, 9658517, 28975551]

約数ペア:

[(1, 28975551), (3, 9658517), (11, 2634141), (19, 1525029), (33, 878047), (37, 783123), (57, 508343), (111, 261041), (209, 138639), (407, 71193), (627, 46213), (703, 41217), (1221, 23731), (1249, 23199), (2109, 13739), (3747, 7733)]