140952903

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{991}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 231985152

約数和(自身を除く): 91032249

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 521, 991, 1563, 2973, 3647, 6773, 6937, 10941, 12883, 20319, 20811, 38649, 47411, 90181, 142233, 270543, 516311, 1548933, 3614177, 6712043, 10842531, 20136129, 46984301, 140952903]

約数ペア:

[(1, 140952903), (3, 46984301), (7, 20136129), (13, 10842531), (21, 6712043), (39, 3614177), (91, 1548933), (273, 516311), (521, 270543), (991, 142233), (1563, 90181), (2973, 47411), (3647, 38649), (6773, 20811), (6937, 20319), (10941, 12883)]