8781561

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 13824000

約数和(自身を除く): 5042439

約数列:

[1, 3, 9, 23, 27, 69, 79, 179, 207, 237, 537, 621, 711, 1611, 1817, 2133, 4117, 4833, 5451, 12351, 14141, 16353, 37053, 42423, 49059, 111159, 127269, 325243, 381807, 975729, 2927187, 8781561]

約数ペア:

[(1, 8781561), (3, 2927187), (9, 975729), (23, 381807), (27, 325243), (69, 127269), (79, 111159), (179, 49059), (207, 42423), (237, 37053), (537, 16353), (621, 14141), (711, 12351), (1611, 5451), (1817, 4833), (2133, 4117)]