65604375

素因数分解:

$3^2\times 5^4\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 60

約数和(自身を含む): 120617640

約数和(自身を除く): 55013265

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 107, 109, 125, 225, 321, 327, 375, 535, 545, 625, 963, 981, 1125, 1605, 1635, 1875, 2675, 2725, 4815, 4905, 5625, 8025, 8175, 11663, 13375, 13625, 24075, 24525, 34989, 40125, 40875, 58315, 66875, 68125, 104967, 120375, 122625, 174945, 200625, 204375, 291575, 524835, 601875, 613125, 874725, 1457875, 2624175, 4373625, 7289375, 13120875, 21868125, 65604375]

約数ペア:

[(1, 65604375), (3, 21868125), (5, 13120875), (9, 7289375), (15, 4373625), (25, 2624175), (45, 1457875), (75, 874725), (107, 613125), (109, 601875), (125, 524835), (225, 291575), (321, 204375), (327, 200625), (375, 174945), (535, 122625), (545, 120375), (625, 104967), (963, 68125), (981, 66875), (1125, 58315), (1605, 40875), (1635, 40125), (1875, 34989), (2675, 24525), (2725, 24075), (4815, 13625), (4905, 13375), (5625, 11663), (8025, 8175)]