1388121

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:114

約数の個数: 32

約数和(自身を含む): 2304000

約数和(自身を除く): 915879

約数列:

[1, 3, 7, 19, 21, 49, 57, 71, 133, 147, 213, 343, 399, 497, 931, 1029, 1349, 1491, 2793, 3479, 4047, 6517, 9443, 10437, 19551, 24353, 28329, 66101, 73059, 198303, 462707, 1388121]

約数ペア:

[(1, 1388121), (3, 462707), (7, 198303), (19, 73059), (21, 66101), (49, 28329), (57, 24353), (71, 19551), (133, 10437), (147, 9443), (213, 6517), (343, 4047), (399, 3479), (497, 2793), (931, 1491), (1029, 1349)]