1321528245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1\times {\mathrm{1777}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 2166713472

約数和(自身を除く): 845185227

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1153, 1777, 3459, 5331, 5765, 8885, 17295, 26655, 49579, 76411, 148737, 229233, 247895, 382055, 743685, 1146165, 2048881, 6146643, 10244405, 30733215, 88101883, 264305649, 440509415, 1321528245]

約数ペア:

[(1, 1321528245), (3, 440509415), (5, 264305649), (15, 88101883), (43, 30733215), (129, 10244405), (215, 6146643), (645, 2048881), (1153, 1146165), (1777, 743685), (3459, 382055), (5331, 247895), (5765, 229233), (8885, 148737), (17295, 76411), (26655, 49579)]