157440087

素因数分解:

$3^2\times 7^3\times {\mathrm{51001}}^1$

素因数の和:51028

約数の個数: 24

約数和(自身を含む): 265210400

約数和(自身を除く): 107770313

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 51001, 153003, 357007, 459009, 1071021, 2499049, 3213063, 7497147, 17493343, 22491441, 52480029, 157440087]

約数ペア:

[(1, 157440087), (3, 52480029), (7, 22491441), (9, 17493343), (21, 7497147), (49, 3213063), (63, 2499049), (147, 1071021), (343, 459009), (441, 357007), (1029, 153003), (3087, 51001)]