21750125

素因数分解:

$5^3\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1117

約数の個数: 16

約数和(自身を含む): 27316224

約数和(自身を除く): 5566099

約数列:

[1, 5, 25, 125, 191, 911, 955, 4555, 4775, 22775, 23875, 113875, 174001, 870005, 4350025, 21750125]

約数ペア:

[(1, 21750125), (5, 4350025), (25, 870005), (125, 174001), (191, 113875), (911, 23875), (955, 22775), (4555, 4775)]