28973331

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 43321824

約数和(自身を除く): 14348493

約数列:

[1, 3, 9, 37, 111, 167, 333, 501, 521, 1503, 1563, 4689, 6179, 18537, 19277, 55611, 57831, 87007, 173493, 261021, 783063, 3219259, 9657777, 28973331]

約数ペア:

[(1, 28973331), (3, 9657777), (9, 3219259), (37, 783063), (111, 261021), (167, 173493), (333, 87007), (501, 57831), (521, 55611), (1503, 19277), (1563, 18537), (4689, 6179)]