28176135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 48964608

約数和(自身を除く): 20788473

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1103, 1703, 1965, 3309, 5109, 5515, 8515, 14339, 16545, 25545, 43017, 71695, 144493, 215085, 433479, 722465, 1878409, 2167395, 5635227, 9392045, 28176135]

約数ペア:

[(1, 28176135), (3, 9392045), (5, 5635227), (13, 2167395), (15, 1878409), (39, 722465), (65, 433479), (131, 215085), (195, 144493), (393, 71695), (655, 43017), (1103, 25545), (1703, 16545), (1965, 14339), (3309, 8515), (5109, 5515)]