140974561

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 175504320

約数和(自身を除く): 34529759

約数列:

[1, 7, 13, 91, 169, 269, 443, 1183, 1883, 3101, 3497, 5759, 24479, 40313, 45461, 74867, 119167, 318227, 524069, 834169, 1549171, 10844197, 20139223, 140974561]

約数ペア:

[(1, 140974561), (7, 20139223), (13, 10844197), (91, 1549171), (169, 834169), (269, 524069), (443, 318227), (1183, 119167), (1883, 74867), (3101, 45461), (3497, 40313), (5759, 24479)]