1859787621

素因数分解:

$3^9\times {\mathrm{19}}^1\times {\mathrm{4973}}^1$

素因数の和:5019

約数の個数: 40

約数和(自身を含む): 2937047520

約数和(自身を除く): 1077259899

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2187, 4617, 4973, 6561, 13851, 14919, 19683, 41553, 44757, 94487, 124659, 134271, 283461, 373977, 402813, 850383, 1208439, 2551149, 3625317, 7653447, 10875951, 22960341, 32627853, 68881023, 97883559, 206643069, 619929207, 1859787621]

約数ペア:

[(1, 1859787621), (3, 619929207), (9, 206643069), (19, 97883559), (27, 68881023), (57, 32627853), (81, 22960341), (171, 10875951), (243, 7653447), (513, 3625317), (729, 2551149), (1539, 1208439), (2187, 850383), (4617, 402813), (4973, 373977), (6561, 283461), (13851, 134271), (14919, 124659), (19683, 94487), (41553, 44757)]