81212325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37339}}^1$

素因数の和:37381

約数の個数: 24

約数和(自身を含む): 138904800

約数和(自身を除く): 57692475

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 37339, 112017, 186695, 560085, 933475, 1082831, 2800425, 3248493, 5414155, 16242465, 27070775, 81212325]

約数ペア:

[(1, 81212325), (3, 27070775), (5, 16242465), (15, 5414155), (25, 3248493), (29, 2800425), (75, 1082831), (87, 933475), (145, 560085), (435, 186695), (725, 112017), (2175, 37339)]