9875855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 13920768

約数和(自身を除く): 4044913

約数列:

[1, 5, 11, 23, 37, 55, 115, 185, 211, 253, 407, 851, 1055, 1265, 2035, 2321, 4255, 4853, 7807, 9361, 11605, 24265, 39035, 46805, 53383, 85877, 179561, 266915, 429385, 897805, 1975171, 9875855]

約数ペア:

[(1, 9875855), (5, 1975171), (11, 897805), (23, 429385), (37, 266915), (55, 179561), (115, 85877), (185, 53383), (211, 46805), (253, 39035), (407, 24265), (851, 11605), (1055, 9361), (1265, 7807), (2035, 4853), (2321, 4255)]