81458377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4283}}^1$

素因数の和:4333

約数の個数: 32

約数和(自身を含む): 115153920

約数和(自身を除く): 33695543

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 4283, 19019, 29981, 47113, 55679, 81377, 329791, 389753, 569639, 612469, 895147, 1057901, 4287283, 6266029, 7405307, 11636911, 81458377]

約数ペア:

[(1, 81458377), (7, 11636911), (11, 7405307), (13, 6266029), (19, 4287283), (77, 1057901), (91, 895147), (133, 612469), (143, 569639), (209, 389753), (247, 329791), (1001, 81377), (1463, 55679), (1729, 47113), (2717, 29981), (4283, 19019)]