31020987

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 43912192

約数和(自身を除く): 12891205

約数列:

[1, 3, 31, 47, 93, 141, 151, 453, 1457, 2209, 4371, 4681, 6627, 7097, 14043, 21291, 68479, 205437, 220007, 333559, 660021, 1000677, 10340329, 31020987]

約数ペア:

[(1, 31020987), (3, 10340329), (31, 1000677), (47, 660021), (93, 333559), (141, 220007), (151, 205437), (453, 68479), (1457, 21291), (2209, 14043), (4371, 7097), (4681, 6627)]