18258051

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 29721600

約数和(自身を除く): 11463549

約数列:

[1, 3, 7, 17, 21, 51, 119, 199, 257, 357, 597, 771, 1393, 1799, 3383, 4179, 4369, 5397, 10149, 13107, 23681, 30583, 51143, 71043, 91749, 153429, 358001, 869431, 1074003, 2608293, 6086017, 18258051]

約数ペア:

[(1, 18258051), (3, 6086017), (7, 2608293), (17, 1074003), (21, 869431), (51, 358001), (119, 153429), (199, 91749), (257, 71043), (357, 51143), (597, 30583), (771, 23681), (1393, 13107), (1799, 10149), (3383, 5397), (4179, 4369)]