28029309

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 19248771

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 1709, 2343, 5127, 5467, 11963, 16401, 18799, 35889, 56397, 121339, 131593, 364017, 394779, 849373, 1334729, 2548119, 4004187, 9343103, 28029309]

約数ペア:

[(1, 28029309), (3, 9343103), (7, 4004187), (11, 2548119), (21, 1334729), (33, 849373), (71, 394779), (77, 364017), (213, 131593), (231, 121339), (497, 56397), (781, 35889), (1491, 18799), (1709, 16401), (2343, 11963), (5127, 5467)]