28789971

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25867}}^1$

素因数の和:25930

約数の個数: 16

約数和(自身を含む): 44699904

約数和(自身を除く): 15909933

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25867, 77601, 181069, 543207, 1370951, 4112853, 9596657, 28789971]

約数ペア:

[(1, 28789971), (3, 9596657), (7, 4112853), (21, 1370951), (53, 543207), (159, 181069), (371, 77601), (1113, 25867)]