664755741

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4021}}^1$

素因数の和:4203

約数の個数: 40

約数和(自身を含む): 1076496344

約数和(自身を除く): 411740603

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 157, 351, 471, 1053, 1413, 2041, 4021, 4239, 6123, 12063, 12717, 18369, 36189, 52273, 55107, 108567, 156819, 165321, 325701, 470457, 631297, 1411371, 1893891, 4234113, 5681673, 8206861, 17045019, 24620583, 51135057, 73861749, 221585247, 664755741]

約数ペア:

[(1, 664755741), (3, 221585247), (9, 73861749), (13, 51135057), (27, 24620583), (39, 17045019), (81, 8206861), (117, 5681673), (157, 4234113), (351, 1893891), (471, 1411371), (1053, 631297), (1413, 470457), (2041, 325701), (4021, 165321), (4239, 156819), (6123, 108567), (12063, 55107), (12717, 52273), (18369, 36189)]