15205449

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 23970816

約数和(自身を除く): 8765367

約数列:

[1, 3, 7, 21, 67, 101, 107, 201, 303, 321, 469, 707, 749, 1407, 2121, 2247, 6767, 7169, 10807, 20301, 21507, 32421, 47369, 50183, 75649, 142107, 150549, 226947, 724069, 2172207, 5068483, 15205449]

約数ペア:

[(1, 15205449), (3, 5068483), (7, 2172207), (21, 724069), (67, 226947), (101, 150549), (107, 142107), (201, 75649), (303, 50183), (321, 47369), (469, 32421), (707, 21507), (749, 20301), (1407, 10807), (2121, 7169), (2247, 6767)]