128568645

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{42643}}^1$

素因数の和:42721

約数の個数: 24

約数和(自身を含む): 226183776

約数和(自身を除く): 97615131

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 42643, 127929, 213215, 383787, 639645, 1918935, 2857081, 8571243, 14285405, 25713729, 42856215, 128568645]

約数ペア:

[(1, 128568645), (3, 42856215), (5, 25713729), (9, 14285405), (15, 8571243), (45, 2857081), (67, 1918935), (201, 639645), (335, 383787), (603, 213215), (1005, 127929), (3015, 42643)]