27891409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5783}}^1$

素因数の和:5856

約数の個数: 16

約数和(自身を含む): 34981632

約数和(自身を除く): 7090223

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 5783, 40481, 75179, 306499, 526253, 2145493, 3984487, 27891409]

約数ペア:

[(1, 27891409), (7, 3984487), (13, 2145493), (53, 526253), (91, 306499), (371, 75179), (689, 40481), (4823, 5783)]