207921123

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 332200960

約数和(自身を除く): 124279837

約数列:

[1, 3, 9, 19, 31, 57, 61, 93, 171, 183, 279, 549, 589, 643, 1159, 1767, 1891, 1929, 3477, 5301, 5673, 5787, 10431, 12217, 17019, 19933, 35929, 36651, 39223, 59799, 107787, 109953, 117669, 179397, 323361, 353007, 378727, 745237, 1136181, 1215913, 2235711, 3408543, 3647739, 6707133, 10943217, 23102347, 69307041, 207921123]

約数ペア:

[(1, 207921123), (3, 69307041), (9, 23102347), (19, 10943217), (31, 6707133), (57, 3647739), (61, 3408543), (93, 2235711), (171, 1215913), (183, 1136181), (279, 745237), (549, 378727), (589, 353007), (643, 323361), (1159, 179397), (1767, 117669), (1891, 109953), (1929, 107787), (3477, 59799), (5301, 39223), (5673, 36651), (5787, 35929), (10431, 19933), (12217, 17019)]