25203165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 43671936

約数和(自身を除く): 18468771

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 307, 421, 921, 1263, 1535, 2105, 3991, 4605, 5473, 6315, 11973, 16419, 19955, 27365, 59865, 82095, 129247, 387741, 646235, 1680211, 1938705, 5040633, 8401055, 25203165]

約数ペア:

[(1, 25203165), (3, 8401055), (5, 5040633), (13, 1938705), (15, 1680211), (39, 646235), (65, 387741), (195, 129247), (307, 82095), (421, 59865), (921, 27365), (1263, 19955), (1535, 16419), (2105, 11973), (3991, 6315), (4605, 5473)]