16280985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1303}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 32109696

約数和(自身を除く): 15828711

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1303, 1785, 2499, 3909, 4165, 6515, 9121, 12495, 19545, 22151, 27363, 45605, 63847, 66453, 110755, 136815, 155057, 191541, 319235, 332265, 465171, 775285, 957705, 1085399, 2325855, 3256197, 5426995, 16280985]

約数ペア:

[(1, 16280985), (3, 5426995), (5, 3256197), (7, 2325855), (15, 1085399), (17, 957705), (21, 775285), (35, 465171), (49, 332265), (51, 319235), (85, 191541), (105, 155057), (119, 136815), (147, 110755), (245, 66453), (255, 63847), (357, 45605), (595, 27363), (735, 22151), (833, 19545), (1303, 12495), (1785, 9121), (2499, 6515), (3909, 4165)]