72171001

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11443}}^1$

素因数の和:11520

約数の個数: 16

約数和(自身を含む): 88988544

約数和(自身を除く): 16817543

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 11443, 80101, 194531, 606479, 1361717, 4245353, 10310143, 72171001]

約数ペア:

[(1, 72171001), (7, 10310143), (17, 4245353), (53, 1361717), (119, 606479), (371, 194531), (901, 80101), (6307, 11443)]