199981425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{380917}}^1$

素因数の和:380937

約数の個数: 24

約数和(自身を含む): 377870656

約数和(自身を除く): 177889231

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 380917, 1142751, 1904585, 2666419, 5713755, 7999257, 9522925, 13332095, 28568775, 39996285, 66660475, 199981425]

約数ペア:

[(1, 199981425), (3, 66660475), (5, 39996285), (7, 28568775), (15, 13332095), (21, 9522925), (25, 7999257), (35, 5713755), (75, 2666419), (105, 1904585), (175, 1142751), (525, 380917)]