15996666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2999}}^1$

素因数の和:3138

約数の個数: 32

約数和(自身を含む): 36864000

約数和(自身を除く): 20867334

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 2999, 5334, 5998, 8997, 17994, 20993, 41986, 62979, 125958, 380873, 761746, 1142619, 2285238, 2666111, 5332222, 7998333, 15996666]

約数ペア:

[(1, 15996666), (2, 7998333), (3, 5332222), (6, 2666111), (7, 2285238), (14, 1142619), (21, 761746), (42, 380873), (127, 125958), (254, 62979), (381, 41986), (762, 20993), (889, 17994), (1778, 8997), (2667, 5998), (2999, 5334)]