31056039

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 53374464

約数和(自身を除く): 22318425

約数列:

[1, 3, 7, 9, 21, 53, 63, 71, 131, 159, 213, 371, 393, 477, 497, 639, 917, 1113, 1179, 1491, 2751, 3339, 3763, 4473, 6943, 8253, 9301, 11289, 20829, 26341, 27903, 33867, 48601, 62487, 65107, 79023, 83709, 145803, 195321, 237069, 437409, 492953, 585963, 1478859, 3450671, 4436577, 10352013, 31056039]

約数ペア:

[(1, 31056039), (3, 10352013), (7, 4436577), (9, 3450671), (21, 1478859), (53, 585963), (63, 492953), (71, 437409), (131, 237069), (159, 195321), (213, 145803), (371, 83709), (393, 79023), (477, 65107), (497, 62487), (639, 48601), (917, 33867), (1113, 27903), (1179, 26341), (1491, 20829), (2751, 11289), (3339, 9301), (3763, 8253), (4473, 6943)]