15810641

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 21150720

約数和(自身を除く): 5340079

約数列:

[1, 7, 11, 19, 77, 101, 107, 133, 209, 707, 749, 1111, 1177, 1463, 1919, 2033, 7777, 8239, 10807, 13433, 14231, 21109, 22363, 75649, 118877, 147763, 156541, 205333, 832139, 1437331, 2258663, 15810641]

約数ペア:

[(1, 15810641), (7, 2258663), (11, 1437331), (19, 832139), (77, 205333), (101, 156541), (107, 147763), (133, 118877), (209, 75649), (707, 22363), (749, 21109), (1111, 14231), (1177, 13433), (1463, 10807), (1919, 8239), (2033, 7777)]