2830131

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 4283136

約数和(自身を除く): 1453005

約数列:

[1, 3, 9, 43, 71, 103, 129, 213, 309, 387, 639, 927, 3053, 4429, 7313, 9159, 13287, 21939, 27477, 39861, 65817, 314459, 943377, 2830131]

約数ペア:

[(1, 2830131), (3, 943377), (9, 314459), (43, 65817), (71, 39861), (103, 27477), (129, 21939), (213, 13287), (309, 9159), (387, 7313), (639, 4429), (927, 3053)]