647084025

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{136949}}^1$

素因数の和:136975

約数の個数: 48

約数和(自身を含む): 1358544000

約数和(自身を除く): 711459975

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 136949, 410847, 684745, 958643, 1232541, 2054235, 2875929, 3423725, 3697623, 4793215, 6162705, 8627787, 10271175, 14379645, 18488115, 23966075, 25883361, 30813525, 43138935, 71898225, 92440575, 129416805, 215694675, 647084025]

約数ペア:

[(1, 647084025), (3, 215694675), (5, 129416805), (7, 92440575), (9, 71898225), (15, 43138935), (21, 30813525), (25, 25883361), (27, 23966075), (35, 18488115), (45, 14379645), (63, 10271175), (75, 8627787), (105, 6162705), (135, 4793215), (175, 3697623), (189, 3423725), (225, 2875929), (315, 2054235), (525, 1232541), (675, 958643), (945, 684745), (1575, 410847), (4725, 136949)]