210397775

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{38783}}^1$

素因数の和:38831

約数の個数: 24

約数和(自身を含む): 307789824

約数和(自身を除く): 97392049

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 38783, 193915, 271481, 969575, 1202273, 1357405, 6011365, 6787025, 8415911, 30056825, 42079555, 210397775]

約数ペア:

[(1, 210397775), (5, 42079555), (7, 30056825), (25, 8415911), (31, 6787025), (35, 6011365), (155, 1357405), (175, 1202273), (217, 969575), (775, 271481), (1085, 193915), (5425, 38783)]