13028205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2733

約数の個数: 32

約数和(自身を含む): 23241600

約数和(自身を除く): 10213395

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 2689, 4845, 8067, 13445, 40335, 45713, 51091, 137139, 153273, 228565, 255455, 685695, 766365, 868547, 2605641, 4342735, 13028205]

約数ペア:

[(1, 13028205), (3, 4342735), (5, 2605641), (15, 868547), (17, 766365), (19, 685695), (51, 255455), (57, 228565), (85, 153273), (95, 137139), (255, 51091), (285, 45713), (323, 40335), (969, 13445), (1615, 8067), (2689, 4845)]