28113345

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 54754560

約数和(自身を除く): 26641215

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 83, 117, 135, 193, 195, 249, 351, 415, 579, 585, 747, 965, 1079, 1245, 1737, 1755, 2241, 2509, 2895, 3237, 3735, 5211, 5395, 7527, 8685, 9711, 11205, 12545, 16019, 16185, 22581, 26055, 29133, 37635, 48057, 48555, 67743, 80095, 112905, 144171, 145665, 208247, 240285, 338715, 432513, 624741, 720855, 1041235, 1874223, 2162565, 3123705, 5622669, 9371115, 28113345]

約数ペア:

[(1, 28113345), (3, 9371115), (5, 5622669), (9, 3123705), (13, 2162565), (15, 1874223), (27, 1041235), (39, 720855), (45, 624741), (65, 432513), (83, 338715), (117, 240285), (135, 208247), (193, 145665), (195, 144171), (249, 112905), (351, 80095), (415, 67743), (579, 48555), (585, 48057), (747, 37635), (965, 29133), (1079, 26055), (1245, 22581), (1737, 16185), (1755, 16019), (2241, 12545), (2509, 11205), (2895, 9711), (3237, 8685), (3735, 7527), (5211, 5395)]