17745604821

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{428731}}^1$

素因数の和:428823

約数の個数: 40

約数和(自身を含む): 30710930624

約数和(自身を除く): 12965325803

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 511, 567, 657, 1533, 1971, 4599, 5913, 13797, 41391, 428731, 1286193, 3001117, 3858579, 9003351, 11575737, 27010053, 31297363, 34727211, 81030159, 93892089, 219081541, 243090477, 281676267, 657244623, 845028801, 1971733869, 2535086403, 5915201607, 17745604821]

約数ペア:

[(1, 17745604821), (3, 5915201607), (7, 2535086403), (9, 1971733869), (21, 845028801), (27, 657244623), (63, 281676267), (73, 243090477), (81, 219081541), (189, 93892089), (219, 81030159), (511, 34727211), (567, 31297363), (657, 27010053), (1533, 11575737), (1971, 9003351), (4599, 3858579), (5913, 3001117), (13797, 1286193), (41391, 428731)]