645117441

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157769}}^1$

素因数の和:157848

約数の個数: 16

約数和(自身を含む): 908755200

約数和(自身を除く): 263637759

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 157769, 473307, 4575301, 7415143, 13725903, 22245429, 215039147, 645117441]

約数ペア:

[(1, 645117441), (3, 215039147), (29, 22245429), (47, 13725903), (87, 7415143), (141, 4575301), (1363, 473307), (4089, 157769)]