71911021

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 90123840

約数和(自身を除く): 18212819

約数列:

[1, 7, 13, 89, 91, 169, 623, 683, 1157, 1183, 4781, 8099, 8879, 15041, 60787, 62153, 105287, 115427, 425509, 790231, 807989, 5531617, 10273003, 71911021]

約数ペア:

[(1, 71911021), (7, 10273003), (13, 5531617), (89, 807989), (91, 790231), (169, 425509), (623, 115427), (683, 105287), (1157, 62153), (1183, 60787), (4781, 15041), (8099, 8879)]