30409905

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 50295168

約数和(自身を除く): 19885263

約数列:

[1, 3, 5, 15, 41, 123, 197, 205, 251, 591, 615, 753, 985, 1255, 2955, 3765, 8077, 10291, 24231, 30873, 40385, 49447, 51455, 121155, 148341, 154365, 247235, 741705, 2027327, 6081981, 10136635, 30409905]

約数ペア:

[(1, 30409905), (3, 10136635), (5, 6081981), (15, 2027327), (41, 741705), (123, 247235), (197, 154365), (205, 148341), (251, 121155), (591, 51455), (615, 49447), (753, 40385), (985, 30873), (1255, 24231), (2955, 10291), (3765, 8077)]