28379703

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 42736624

約数和(自身を除く): 14356921

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 2113, 4477, 6339, 13431, 23243, 69729, 78181, 234543, 255673, 767019, 859991, 2579973, 9459901, 28379703]

約数ペア:

[(1, 28379703), (3, 9459901), (11, 2579973), (33, 859991), (37, 767019), (111, 255673), (121, 234543), (363, 78181), (407, 69729), (1221, 23243), (2113, 13431), (4477, 6339)]