81897561

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{6359}}^1$

素因数の和:6427

約数の個数: 24

約数和(自身を含む): 125012160

約数和(自身を除く): 43114599

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 4293, 6359, 12879, 19077, 57231, 171693, 337027, 515079, 1011081, 1545237, 3033243, 9099729, 27299187, 81897561]

約数ペア:

[(1, 81897561), (3, 27299187), (9, 9099729), (27, 3033243), (53, 1545237), (81, 1011081), (159, 515079), (243, 337027), (477, 171693), (1431, 57231), (4293, 19077), (6359, 12879)]