2021800875

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{125383}}^1$

素因数の和:125444

約数の個数: 32

約数和(自身を含む): 3442543104

約数和(自身を除く): 1420742229

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 645, 1075, 3225, 5375, 16125, 125383, 376149, 626915, 1880745, 3134575, 5391469, 9403725, 15672875, 16174407, 26957345, 47018625, 80872035, 134786725, 404360175, 673933625, 2021800875]

約数ペア:

[(1, 2021800875), (3, 673933625), (5, 404360175), (15, 134786725), (25, 80872035), (43, 47018625), (75, 26957345), (125, 16174407), (129, 15672875), (215, 9403725), (375, 5391469), (645, 3134575), (1075, 1880745), (3225, 626915), (5375, 376149), (16125, 125383)]