81471741

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{3259}}^1$

素因数の和:3916

約数の個数: 16

約数和(自身を含む): 117203520

約数和(自身を除く): 35731779

約数列:

[1, 3, 13, 39, 641, 1923, 3259, 8333, 9777, 24999, 42367, 127101, 2089019, 6267057, 27157247, 81471741]

約数ペア:

[(1, 81471741), (3, 27157247), (13, 6267057), (39, 2089019), (641, 127101), (1923, 42367), (3259, 24999), (8333, 9777)]