81890715

素因数分解:

$3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{17783}}^1$

素因数の和:18098

約数の個数: 16

約数和(自身を含む): 131459328

約数和(自身を除く): 49568613

約数列:

[1, 3, 5, 15, 307, 921, 1535, 4605, 17783, 53349, 88915, 266745, 5459381, 16378143, 27296905, 81890715]

約数ペア:

[(1, 81890715), (3, 27296905), (5, 16378143), (15, 5459381), (307, 266745), (921, 88915), (1535, 53349), (4605, 17783)]