8871975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 18724992

約数和(自身を除く): 9853017

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 63, 75, 105, 129, 131, 175, 215, 225, 301, 315, 387, 393, 525, 645, 655, 903, 917, 1075, 1179, 1505, 1575, 1935, 1965, 2709, 2751, 3225, 3275, 4515, 4585, 5633, 5895, 7525, 8253, 9675, 9825, 13545, 13755, 16899, 22575, 22925, 28165, 29475, 39431, 41265, 50697, 67725, 68775, 84495, 118293, 140825, 197155, 206325, 253485, 354879, 422475, 591465, 985775, 1267425, 1774395, 2957325, 8871975]

約数ペア:

[(1, 8871975), (3, 2957325), (5, 1774395), (7, 1267425), (9, 985775), (15, 591465), (21, 422475), (25, 354879), (35, 253485), (43, 206325), (45, 197155), (63, 140825), (75, 118293), (105, 84495), (129, 68775), (131, 67725), (175, 50697), (215, 41265), (225, 39431), (301, 29475), (315, 28165), (387, 22925), (393, 22575), (525, 16899), (645, 13755), (655, 13545), (903, 9825), (917, 9675), (1075, 8253), (1179, 7525), (1505, 5895), (1575, 5633), (1935, 4585), (1965, 4515), (2709, 3275), (2751, 3225)]