81887199

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{17713}}^1$

素因数の和:17806

約数の個数: 16

約数和(自身を含む): 115636992

約数和(自身を除く): 33749793

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4623, 17713, 53139, 407399, 1186771, 1222197, 3560313, 27295733, 81887199]

約数ペア:

[(1, 81887199), (3, 27295733), (23, 3560313), (67, 1222197), (69, 1186771), (201, 407399), (1541, 53139), (4623, 17713)]