168444861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2207}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 257187840

約数和(自身を除く): 88742979

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 309, 741, 1339, 1957, 2207, 4017, 5871, 6621, 25441, 28691, 41933, 76323, 86073, 125799, 227321, 545129, 681963, 1635387, 2955173, 4319099, 8865519, 12957297, 56148287, 168444861]

約数ペア:

[(1, 168444861), (3, 56148287), (13, 12957297), (19, 8865519), (39, 4319099), (57, 2955173), (103, 1635387), (247, 681963), (309, 545129), (741, 227321), (1339, 125799), (1957, 86073), (2207, 76323), (4017, 41933), (5871, 28691), (6621, 25441)]