28732509

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{751}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 46323200

約数和(自身を除く): 17590691

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 751, 981, 1417, 2253, 2943, 4251, 6759, 9763, 12753, 20277, 29289, 38259, 81859, 87867, 245577, 263601, 736731, 1064167, 2210193, 3192501, 9577503, 28732509]

約数ペア:

[(1, 28732509), (3, 9577503), (9, 3192501), (13, 2210193), (27, 1064167), (39, 736731), (109, 263601), (117, 245577), (327, 87867), (351, 81859), (751, 38259), (981, 29289), (1417, 20277), (2253, 12753), (2943, 9763), (4251, 6759)]