81987201

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{6917}}^1$

素因数の和:7365

約数の個数: 16

約数和(自身を含む): 121756800

約数和(自身を除く): 39769599

約数列:

[1, 3, 9, 27, 439, 1317, 3951, 6917, 11853, 20751, 62253, 186759, 3036563, 9109689, 27329067, 81987201]

約数ペア:

[(1, 81987201), (3, 27329067), (9, 9109689), (27, 3036563), (439, 186759), (1317, 62253), (3951, 20751), (6917, 11853)]