28974729

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3719}}^1$

素因数の和:3789

約数の個数: 24

約数和(自身を含む): 45800640

約数和(自身を除く): 16825911

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 3719, 7791, 11157, 26033, 78099, 182231, 197107, 546693, 591321, 1379749, 4139247, 9658243, 28974729]

約数ペア:

[(1, 28974729), (3, 9658243), (7, 4139247), (21, 1379749), (49, 591321), (53, 546693), (147, 197107), (159, 182231), (371, 78099), (1113, 26033), (2597, 11157), (3719, 7791)]