72154381

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 85907520

約数和(自身を除く): 13753139

約数列:

[1, 13, 19, 23, 169, 247, 299, 437, 977, 3211, 3887, 5681, 12701, 18563, 22471, 73853, 165113, 241319, 292123, 426949, 3137147, 3797599, 5550337, 72154381]

約数ペア:

[(1, 72154381), (13, 5550337), (19, 3797599), (23, 3137147), (169, 426949), (247, 292123), (299, 241319), (437, 165113), (977, 73853), (3211, 22471), (3887, 18563), (5681, 12701)]