247496697

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{10589}}^1$

素因数の和:10662

約数の個数: 36

約数和(自身を含む): 423748260

約数和(自身を除く): 176251563

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 2597, 3339, 7791, 10589, 23373, 31767, 74123, 95301, 222369, 518861, 561217, 667107, 1556583, 1683651, 3928519, 4669749, 5050953, 11785557, 27499633, 35356671, 82498899, 247496697]

約数ペア:

[(1, 247496697), (3, 82498899), (7, 35356671), (9, 27499633), (21, 11785557), (49, 5050953), (53, 4669749), (63, 3928519), (147, 1683651), (159, 1556583), (371, 667107), (441, 561217), (477, 518861), (1113, 222369), (2597, 95301), (3339, 74123), (7791, 31767), (10589, 23373)]