27904221

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{5861}}^1$

素因数の和:5913

約数の個数: 18

約数和(自身を含む): 42141918

約数和(自身を除く): 14237697

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 5861, 17583, 52749, 134803, 404409, 1213227, 3100469, 9301407, 27904221]

約数ペア:

[(1, 27904221), (3, 9301407), (9, 3100469), (23, 1213227), (69, 404409), (207, 134803), (529, 52749), (1587, 17583), (4761, 5861)]