257901432831

素因数分解:

$3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1733}}^1\times {\mathrm{5261}}^1$

素因数の和:7456

約数の個数: 48

約数和(自身を含む): 427017614400

約数和(自身を除く): 169116181569

約数列:

[1, 3, 7, 9, 21, 63, 449, 1347, 1733, 3143, 4041, 5199, 5261, 9429, 12131, 15597, 15783, 28287, 36393, 36827, 47349, 109179, 110481, 331443, 778117, 2334351, 2362189, 5446819, 7003053, 7086567, 9117313, 16340457, 16535323, 21259701, 27351939, 49021371, 49605969, 63821191, 82055817, 148817907, 191463573, 574390719, 4093673537, 12281020611, 28655714759, 36843061833, 85967144277, 257901432831]

約数ペア:

[(1, 257901432831), (3, 85967144277), (7, 36843061833), (9, 28655714759), (21, 12281020611), (63, 4093673537), (449, 574390719), (1347, 191463573), (1733, 148817907), (3143, 82055817), (4041, 63821191), (5199, 49605969), (5261, 49021371), (9429, 27351939), (12131, 21259701), (15597, 16535323), (15783, 16340457), (28287, 9117313), (36393, 7086567), (36827, 7003053), (47349, 5446819), (109179, 2362189), (110481, 2334351), (331443, 778117)]