30981315

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 19821885

約数列:

[1, 3, 5, 15, 97, 107, 199, 291, 321, 485, 535, 597, 995, 1455, 1605, 2985, 10379, 19303, 21293, 31137, 51895, 57909, 63879, 96515, 106465, 155685, 289545, 319395, 2065421, 6196263, 10327105, 30981315]

約数ペア:

[(1, 30981315), (3, 10327105), (5, 6196263), (15, 2065421), (97, 319395), (107, 289545), (199, 155685), (291, 106465), (321, 96515), (485, 63879), (535, 57909), (597, 51895), (995, 31137), (1455, 21293), (1605, 19303), (2985, 10379)]