215396181

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23909}}^1$

素因数の和:23946

約数の個数: 48

約数和(自身を含む): 417755520

約数和(自身を除く): 202359339

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 3003, 9009, 23909, 71727, 167363, 215181, 262999, 310817, 502089, 788997, 932451, 1506267, 1840993, 2175719, 2366991, 2797353, 3418987, 5522979, 6527157, 10256961, 16568937, 19581471, 23932909, 30770883, 71798727, 215396181]

約数ペア:

[(1, 215396181), (3, 71798727), (7, 30770883), (9, 23932909), (11, 19581471), (13, 16568937), (21, 10256961), (33, 6527157), (39, 5522979), (63, 3418987), (77, 2797353), (91, 2366991), (99, 2175719), (117, 1840993), (143, 1506267), (231, 932451), (273, 788997), (429, 502089), (693, 310817), (819, 262999), (1001, 215181), (1287, 167363), (3003, 71727), (9009, 23909)]