16387749

素因数分解:

$3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{967}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 27181440

約数和(自身を除く): 10793691

約数列:

[1, 3, 7, 9, 21, 63, 269, 807, 967, 1883, 2421, 2901, 5649, 6769, 8703, 16947, 20307, 60921, 260123, 780369, 1820861, 2341107, 5462583, 16387749]

約数ペア:

[(1, 16387749), (3, 5462583), (7, 2341107), (9, 1820861), (21, 780369), (63, 260123), (269, 60921), (807, 20307), (967, 16947), (1883, 8703), (2421, 6769), (2901, 5649)]