71725275

素因数分解:

$3^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1669}}^1$

素因数の和:1876

約数の個数: 36

約数和(自身を含む): 129217920

約数和(自身を除く): 57492645

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 191, 225, 573, 955, 1669, 1719, 2865, 4775, 5007, 8345, 8595, 14325, 15021, 25035, 41725, 42975, 75105, 125175, 318779, 375525, 956337, 1593895, 2869011, 4781685, 7969475, 14345055, 23908425, 71725275]

約数ペア:

[(1, 71725275), (3, 23908425), (5, 14345055), (9, 7969475), (15, 4781685), (25, 2869011), (45, 1593895), (75, 956337), (191, 375525), (225, 318779), (573, 125175), (955, 75105), (1669, 42975), (1719, 41725), (2865, 25035), (4775, 15021), (5007, 14325), (8345, 8595)]