13400751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 22192128

約数和(自身を除く): 8791377

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 257, 273, 573, 771, 1337, 1799, 2483, 3341, 4011, 5397, 7449, 10023, 17381, 23387, 49087, 52143, 70161, 147261, 343609, 638131, 1030827, 1914393, 4466917, 13400751]

約数ペア:

[(1, 13400751), (3, 4466917), (7, 1914393), (13, 1030827), (21, 638131), (39, 343609), (91, 147261), (191, 70161), (257, 52143), (273, 49087), (573, 23387), (771, 17381), (1337, 10023), (1799, 7449), (2483, 5397), (3341, 4011)]