138127031

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 168636096

約数和(自身を除く): 30509065

約数列:

[1, 7, 37, 47, 49, 259, 329, 1621, 1739, 1813, 2303, 11347, 12173, 59977, 76187, 79429, 85211, 419839, 533309, 2818919, 2938873, 3733163, 19732433, 138127031]

約数ペア:

[(1, 138127031), (7, 19732433), (37, 3733163), (47, 2938873), (49, 2818919), (259, 533309), (329, 419839), (1621, 85211), (1739, 79429), (1813, 76187), (2303, 59977), (11347, 12173)]