28961205

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 58329600

約数和(自身を除く): 29368395

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 343, 433, 455, 637, 735, 1029, 1299, 1365, 1715, 1911, 2165, 3031, 3185, 4459, 5145, 5629, 6495, 9093, 9555, 13377, 15155, 16887, 21217, 22295, 28145, 39403, 45465, 63651, 66885, 84435, 106085, 118209, 148519, 197015, 275821, 318255, 445557, 591045, 742595, 827463, 1379105, 1930747, 2227785, 4137315, 5792241, 9653735, 28961205]

約数ペア:

[(1, 28961205), (3, 9653735), (5, 5792241), (7, 4137315), (13, 2227785), (15, 1930747), (21, 1379105), (35, 827463), (39, 742595), (49, 591045), (65, 445557), (91, 318255), (105, 275821), (147, 197015), (195, 148519), (245, 118209), (273, 106085), (343, 84435), (433, 66885), (455, 63651), (637, 45465), (735, 39403), (1029, 28145), (1299, 22295), (1365, 21217), (1715, 16887), (1911, 15155), (2165, 13377), (3031, 9555), (3185, 9093), (4459, 6495), (5145, 5629)]