289905249

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1361}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 422328960

約数和(自身を除く): 132423711

約数列:

[1, 3, 19, 37, 57, 101, 111, 303, 703, 1361, 1919, 2109, 3737, 4083, 5757, 11211, 25859, 50357, 71003, 77577, 137461, 151071, 213009, 412383, 956783, 2611759, 2870349, 5086057, 7835277, 15258171, 96635083, 289905249]

約数ペア:

[(1, 289905249), (3, 96635083), (19, 15258171), (37, 7835277), (57, 5086057), (101, 2870349), (111, 2611759), (303, 956783), (703, 412383), (1361, 213009), (1919, 151071), (2109, 137461), (3737, 77577), (4083, 71003), (5757, 50357), (11211, 25859)]