8140407

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 12476160

約数和(自身を除く): 4335753

約数列:

[1, 3, 11, 33, 37, 59, 111, 113, 177, 339, 407, 649, 1221, 1243, 1947, 2183, 3729, 4181, 6549, 6667, 12543, 20001, 24013, 45991, 72039, 73337, 137973, 220011, 246679, 740037, 2713469, 8140407]

約数ペア:

[(1, 8140407), (3, 2713469), (11, 740037), (33, 246679), (37, 220011), (59, 137973), (111, 73337), (113, 72039), (177, 45991), (339, 24013), (407, 20001), (649, 12543), (1221, 6667), (1243, 6549), (1947, 4181), (2183, 3729)]