2717589

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:182

約数の個数: 32

約数和(自身を含む): 4480000

約数和(自身を除く): 1762411

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 139, 147, 343, 399, 417, 931, 973, 1029, 2641, 2793, 2919, 6517, 6811, 7923, 18487, 19551, 20433, 47677, 55461, 129409, 143031, 388227, 905863, 2717589]

約数ペア:

[(1, 2717589), (3, 905863), (7, 388227), (19, 143031), (21, 129409), (49, 55461), (57, 47677), (133, 20433), (139, 19551), (147, 18487), (343, 7923), (399, 6811), (417, 6517), (931, 2919), (973, 2793), (1029, 2641)]