15854643

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 27072000

約数和(自身を除く): 11217357

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 563, 1043, 1341, 1689, 3129, 3941, 4023, 5067, 9387, 11823, 15201, 28161, 35469, 83887, 106407, 251661, 587209, 754983, 1761627, 2264949, 5284881, 15854643]

約数ペア:

[(1, 15854643), (3, 5284881), (7, 2264949), (9, 1761627), (21, 754983), (27, 587209), (63, 251661), (149, 106407), (189, 83887), (447, 35469), (563, 28161), (1043, 15201), (1341, 11823), (1689, 9387), (3129, 5067), (3941, 4023)]