788571819

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{769}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 1338617280

約数和(自身を除く): 550045461

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 397, 769, 861, 1191, 2307, 2583, 2779, 3573, 5383, 6921, 8337, 16149, 16277, 25011, 31529, 48447, 48831, 94587, 113939, 146493, 220703, 283761, 305293, 341817, 662109, 915879, 1025451, 1986327, 2137051, 2747637, 6411153, 12517013, 19233459, 37551039, 87619091, 112653117, 262857273, 788571819]

約数ペア:

[(1, 788571819), (3, 262857273), (7, 112653117), (9, 87619091), (21, 37551039), (41, 19233459), (63, 12517013), (123, 6411153), (287, 2747637), (369, 2137051), (397, 1986327), (769, 1025451), (861, 915879), (1191, 662109), (2307, 341817), (2583, 305293), (2779, 283761), (3573, 220703), (5383, 146493), (6921, 113939), (8337, 94587), (16149, 48831), (16277, 48447), (25011, 31529)]