28242525

素因数分解:

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

素因数の和:1350

約数の個数: 36

約数和(自身を含む): 49640672

約数和(自身を除く): 21398147

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 1275, 1303, 1445, 3909, 4335, 6515, 7225, 19545, 21675, 22151, 32575, 66453, 97725, 110755, 332265, 376567, 553775, 1129701, 1661325, 1882835, 5648505, 9414175, 28242525]

約数ペア:

[(1, 28242525), (3, 9414175), (5, 5648505), (15, 1882835), (17, 1661325), (25, 1129701), (51, 553775), (75, 376567), (85, 332265), (255, 110755), (289, 97725), (425, 66453), (867, 32575), (1275, 22151), (1303, 21675), (1445, 19545), (3909, 7225), (4335, 6515)]