28771125

素因数分解:

$3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 48577152

約数和(自身を除く): 19806027

約数列:

[1, 3, 5, 15, 25, 73, 75, 125, 219, 365, 375, 1051, 1095, 1825, 3153, 5255, 5475, 9125, 15765, 26275, 27375, 76723, 78825, 131375, 230169, 383615, 394125, 1150845, 1918075, 5754225, 9590375, 28771125]

約数ペア:

[(1, 28771125), (3, 9590375), (5, 5754225), (15, 1918075), (25, 1150845), (73, 394125), (75, 383615), (125, 230169), (219, 131375), (365, 78825), (375, 76723), (1051, 27375), (1095, 26275), (1825, 15765), (3153, 9125), (5255, 5475)]