28164045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 28606515

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 47, 65, 91, 105, 141, 195, 235, 273, 329, 439, 455, 611, 705, 987, 1317, 1365, 1645, 1833, 2195, 3055, 3073, 4277, 4935, 5707, 6585, 9165, 9219, 12831, 15365, 17121, 20633, 21385, 28535, 39949, 46095, 61899, 64155, 85605, 103165, 119847, 144431, 199745, 268229, 309495, 433293, 599235, 722155, 804687, 1341145, 1877603, 2166465, 4023435, 5632809, 9388015, 28164045]

約数ペア:

[(1, 28164045), (3, 9388015), (5, 5632809), (7, 4023435), (13, 2166465), (15, 1877603), (21, 1341145), (35, 804687), (39, 722155), (47, 599235), (65, 433293), (91, 309495), (105, 268229), (141, 199745), (195, 144431), (235, 119847), (273, 103165), (329, 85605), (439, 64155), (455, 61899), (611, 46095), (705, 39949), (987, 28535), (1317, 21385), (1365, 20633), (1645, 17121), (1833, 15365), (2195, 12831), (3055, 9219), (3073, 9165), (4277, 6585), (4935, 5707)]