17581641

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 12755127

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 83, 131, 147, 231, 249, 393, 539, 581, 913, 917, 1441, 1617, 1743, 2739, 2751, 4067, 4323, 6391, 6419, 10087, 10873, 12201, 19173, 19257, 30261, 32619, 44737, 70609, 76111, 119603, 134211, 211827, 228333, 358809, 532777, 837221, 1598331, 2511663, 5860547, 17581641]

約数ペア:

[(1, 17581641), (3, 5860547), (7, 2511663), (11, 1598331), (21, 837221), (33, 532777), (49, 358809), (77, 228333), (83, 211827), (131, 134211), (147, 119603), (231, 76111), (249, 70609), (393, 44737), (539, 32619), (581, 30261), (913, 19257), (917, 19173), (1441, 12201), (1617, 10873), (1743, 10087), (2739, 6419), (2751, 6391), (4067, 4323)]