428091723

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{48487}}^1$

素因数の和:48608

約数の個数: 20

約数和(自身を含む): 645375280

約数和(自身を除く): 217283557

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 48487, 145461, 436383, 1309149, 3927447, 5285083, 15855249, 47565747, 142697241, 428091723]

約数ペア:

[(1, 428091723), (3, 142697241), (9, 47565747), (27, 15855249), (81, 5285083), (109, 3927447), (327, 1309149), (981, 436383), (2943, 145461), (8829, 48487)]