71821881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1597}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 109686720

約数和(自身を除く): 37864839

約数列:

[1, 3, 9, 19, 57, 171, 263, 789, 1597, 2367, 4791, 4997, 14373, 14991, 30343, 44973, 91029, 273087, 420011, 1260033, 3780099, 7980209, 23940627, 71821881]

約数ペア:

[(1, 71821881), (3, 23940627), (9, 7980209), (19, 3780099), (57, 1260033), (171, 420011), (263, 273087), (789, 91029), (1597, 44973), (2367, 30343), (4791, 14991), (4997, 14373)]