28403181

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 14053779

約数列:

[1, 3, 9, 47, 83, 141, 249, 423, 747, 809, 2427, 3901, 7281, 11703, 35109, 38023, 67147, 114069, 201441, 342207, 604323, 3155909, 9467727, 28403181]

約数ペア:

[(1, 28403181), (3, 9467727), (9, 3155909), (47, 604323), (83, 342207), (141, 201441), (249, 114069), (423, 67147), (747, 38023), (809, 35109), (2427, 11703), (3901, 7281)]