2078403831

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{221413}}^1$

素因数の和:221575

約数の個数: 24

約数和(自身を含む): 3454058400

約数和(自身を除く): 1375654569

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 221413, 664239, 1549891, 1992717, 4649673, 13949019, 32990537, 98971611, 230933759, 296914833, 692801277, 2078403831]

約数ペア:

[(1, 2078403831), (3, 692801277), (7, 296914833), (9, 230933759), (21, 98971611), (63, 32990537), (149, 13949019), (447, 4649673), (1043, 1992717), (1341, 1549891), (3129, 664239), (9387, 221413)]