11981275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 15784704

約数和(自身を除く): 3803429

約数列:

[1, 5, 23, 25, 67, 115, 311, 335, 575, 1541, 1555, 1675, 7153, 7705, 7775, 20837, 35765, 38525, 104185, 178825, 479251, 520925, 2396255, 11981275]

約数ペア:

[(1, 11981275), (5, 2396255), (23, 520925), (25, 479251), (67, 178825), (115, 104185), (311, 38525), (335, 35765), (575, 20837), (1541, 7775), (1555, 7705), (1675, 7153)]