1661325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1303}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 2910528

約数和(自身を除く): 1249203

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 1303, 3909, 6515, 19545, 22151, 32575, 66453, 97725, 110755, 332265, 553775, 1661325]

約数ペア:

[(1, 1661325), (3, 553775), (5, 332265), (15, 110755), (17, 97725), (25, 66453), (51, 32575), (75, 22151), (85, 19545), (255, 6515), (425, 3909), (1275, 1303)]