15661190181

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1\times {\mathrm{1657}}^1$

素因数の和:2158

約数の個数: 64

約数和(自身を含む): 26071718400

約数和(自身を除く): 10410528219

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 389, 623, 1157, 1167, 1657, 1869, 2723, 3471, 4971, 5057, 8099, 8169, 11599, 15171, 21541, 24297, 34621, 34797, 35399, 64623, 103863, 106197, 147473, 150787, 242347, 442419, 450073, 452361, 644573, 727041, 1032311, 1350219, 1917149, 1933719, 3096933, 3150511, 4512011, 5751447, 8379449, 9451533, 13420043, 13536033, 25138347, 40260129, 57366997, 58656143, 172100991, 175968429, 401568979, 745770961, 1204706937, 2237312883, 5220396727, 15661190181]

約数ペア:

[(1, 15661190181), (3, 5220396727), (7, 2237312883), (13, 1204706937), (21, 745770961), (39, 401568979), (89, 175968429), (91, 172100991), (267, 58656143), (273, 57366997), (389, 40260129), (623, 25138347), (1157, 13536033), (1167, 13420043), (1657, 9451533), (1869, 8379449), (2723, 5751447), (3471, 4512011), (4971, 3150511), (5057, 3096933), (8099, 1933719), (8169, 1917149), (11599, 1350219), (15171, 1032311), (21541, 727041), (24297, 644573), (34621, 452361), (34797, 450073), (35399, 442419), (64623, 242347), (103863, 150787), (106197, 147473)]