81966855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{15137}}^1$

素因数の和:15183

約数の個数: 24

約数和(自身を含む): 138421872

約数和(自身を除く): 56455017

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 5415, 15137, 45411, 75685, 227055, 287603, 862809, 1438015, 4314045, 5464457, 16393371, 27322285, 81966855]

約数ペア:

[(1, 81966855), (3, 27322285), (5, 16393371), (15, 5464457), (19, 4314045), (57, 1438015), (95, 862809), (285, 287603), (361, 227055), (1083, 75685), (1805, 45411), (5415, 15137)]