81386751

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{7907}}^1$

素因数の和:8030

約数の個数: 16

約数和(自身を含む): 112356864

約数和(自身を除く): 30970113

約数列:

[1, 3, 47, 73, 141, 219, 3431, 7907, 10293, 23721, 371629, 577211, 1114887, 1731633, 27128917, 81386751]

約数ペア:

[(1, 81386751), (3, 27128917), (47, 1731633), (73, 1114887), (141, 577211), (219, 371629), (3431, 23721), (7907, 10293)]