199051377

素因数分解:

$3^1\times 7^2\times {\mathrm{457}}^1\times {\mathrm{2963}}^1$

素因数の和:3437

約数の個数: 24

約数和(自身を含む): 309512736

約数和(自身を除く): 110461359

約数列:

[1, 3, 7, 21, 49, 147, 457, 1371, 2963, 3199, 8889, 9597, 20741, 22393, 62223, 67179, 145187, 435561, 1354091, 4062273, 9478637, 28435911, 66350459, 199051377]

約数ペア:

[(1, 199051377), (3, 66350459), (7, 28435911), (21, 9478637), (49, 4062273), (147, 1354091), (457, 435561), (1371, 145187), (2963, 67179), (3199, 62223), (8889, 22393), (9597, 20741)]