145320721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12007}}^1$

素因数の和:12053

約数の個数: 24

約数和(自身を含む): 191647680

約数和(自身を除く): 46326959

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 12007, 12103, 84049, 156091, 228133, 588343, 1092637, 1596931, 2965729, 7648459, 11178517, 20760103, 145320721]

約数ペア:

[(1, 145320721), (7, 20760103), (13, 11178517), (19, 7648459), (49, 2965729), (91, 1596931), (133, 1092637), (247, 588343), (637, 228133), (931, 156091), (1729, 84049), (12007, 12103)]