28236495

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 53893728

約数和(自身を除く): 25657233

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 287, 615, 735, 861, 937, 1435, 2009, 2811, 4305, 4685, 6027, 6559, 10045, 14055, 19677, 30135, 32795, 38417, 45913, 98385, 115251, 137739, 192085, 229565, 268919, 576255, 688695, 806757, 1344595, 1882433, 4033785, 5647299, 9412165, 28236495]

約数ペア:

[(1, 28236495), (3, 9412165), (5, 5647299), (7, 4033785), (15, 1882433), (21, 1344595), (35, 806757), (41, 688695), (49, 576255), (105, 268919), (123, 229565), (147, 192085), (205, 137739), (245, 115251), (287, 98385), (615, 45913), (735, 38417), (861, 32795), (937, 30135), (1435, 19677), (2009, 14055), (2811, 10045), (4305, 6559), (4685, 6027)]