81251964

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{5743}}^1$

素因数の和:5887

約数の個数: 48

約数和(自身を含む): 212298240

約数和(自身を除く): 131046276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1572, 2358, 3537, 4716, 5743, 7074, 11486, 14148, 17229, 22972, 34458, 51687, 68916, 103374, 155061, 206748, 310122, 620244, 752333, 1504666, 2256999, 3009332, 4513998, 6770997, 9027996, 13541994, 20312991, 27083988, 40625982, 81251964]

約数ペア:

[(1, 81251964), (2, 40625982), (3, 27083988), (4, 20312991), (6, 13541994), (9, 9027996), (12, 6770997), (18, 4513998), (27, 3009332), (36, 2256999), (54, 1504666), (108, 752333), (131, 620244), (262, 310122), (393, 206748), (524, 155061), (786, 103374), (1179, 68916), (1572, 51687), (2358, 34458), (3537, 22972), (4716, 17229), (5743, 14148), (7074, 11486)]