28643643

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3011}}^1$

素因数の和:3175

約数の個数: 24

約数和(自身を含む): 47613696

約数和(自身を除く): 18970053

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 3011, 3171, 9033, 9513, 21077, 27099, 63231, 189693, 454661, 1363983, 3182627, 4091949, 9547881, 28643643]

約数ペア:

[(1, 28643643), (3, 9547881), (7, 4091949), (9, 3182627), (21, 1363983), (63, 454661), (151, 189693), (453, 63231), (1057, 27099), (1359, 21077), (3011, 9513), (3171, 9033)]