43720857

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 66908160

約数和(自身を除く): 23187303

約数列:

[1, 3, 9, 27, 47, 131, 141, 263, 393, 423, 789, 1179, 1269, 2367, 3537, 6157, 7101, 12361, 18471, 34453, 37083, 55413, 103359, 111249, 166239, 310077, 333747, 930231, 1619291, 4857873, 14573619, 43720857]

約数ペア:

[(1, 43720857), (3, 14573619), (9, 4857873), (27, 1619291), (47, 930231), (131, 333747), (141, 310077), (263, 166239), (393, 111249), (423, 103359), (789, 55413), (1179, 37083), (1269, 34453), (2367, 18471), (3537, 12361), (6157, 7101)]