1200345

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 1966272

約数和(自身を除く): 765927

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1861, 5583, 9305, 27915, 80023, 240069, 400115, 1200345]

約数ペア:

[(1, 1200345), (3, 400115), (5, 240069), (15, 80023), (43, 27915), (129, 9305), (215, 5583), (645, 1861)]