138152021

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{829}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 170316000

約数和(自身を除く): 32163979

約数列:

[1, 7, 19, 49, 133, 179, 829, 931, 1253, 3401, 5803, 8771, 15751, 23807, 40621, 110257, 148391, 166649, 771799, 1038737, 2819429, 7271159, 19736003, 138152021]

約数ペア:

[(1, 138152021), (7, 19736003), (19, 7271159), (49, 2819429), (133, 1038737), (179, 771799), (829, 166649), (931, 148391), (1253, 110257), (3401, 40621), (5803, 23807), (8771, 15751)]