87891207

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{90703}}^1$

素因数の和:90742

約数の個数: 16

約数和(自身を含む): 130613760

約数和(自身を除く): 42722553

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 90703, 272109, 1541951, 1723357, 4625853, 5170071, 29297069, 87891207]

約数ペア:

[(1, 87891207), (3, 29297069), (17, 5170071), (19, 4625853), (51, 1723357), (57, 1541951), (323, 272109), (969, 90703)]