261107937

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 417605760

約数和(自身を除く): 156497823

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 197, 207, 337, 437, 591, 1011, 1311, 1773, 3033, 3743, 3933, 4531, 6403, 7751, 11229, 13593, 19209, 23253, 33687, 40779, 57627, 66389, 69759, 86089, 147269, 199167, 258267, 441807, 597501, 774801, 1261391, 1325421, 1526947, 3784173, 4580841, 11352519, 13742523, 29011993, 87035979, 261107937]

約数ペア:

[(1, 261107937), (3, 87035979), (9, 29011993), (19, 13742523), (23, 11352519), (57, 4580841), (69, 3784173), (171, 1526947), (197, 1325421), (207, 1261391), (337, 774801), (437, 597501), (591, 441807), (1011, 258267), (1311, 199167), (1773, 147269), (3033, 86089), (3743, 69759), (3933, 66389), (4531, 57627), (6403, 40779), (7751, 33687), (11229, 23253), (13593, 19209)]