77689905

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 127277568

約数和(自身を除く): 49587663

約数列:

[1, 3, 5, 15, 61, 183, 197, 305, 431, 591, 915, 985, 1293, 2155, 2955, 6465, 12017, 26291, 36051, 60085, 78873, 84907, 131455, 180255, 254721, 394365, 424535, 1273605, 5179327, 15537981, 25896635, 77689905]

約数ペア:

[(1, 77689905), (3, 25896635), (5, 15537981), (15, 5179327), (61, 1273605), (183, 424535), (197, 394365), (305, 254721), (431, 180255), (591, 131455), (915, 84907), (985, 78873), (1293, 60085), (2155, 36051), (2955, 26291), (6465, 12017)]