28876197

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 45287424

約数和(自身を除く): 16411227

約数列:

[1, 3, 7, 21, 71, 107, 181, 213, 321, 497, 543, 749, 1267, 1491, 2247, 3801, 7597, 12851, 19367, 22791, 38553, 53179, 58101, 89957, 135569, 159537, 269871, 406707, 1375057, 4125171, 9625399, 28876197]

約数ペア:

[(1, 28876197), (3, 9625399), (7, 4125171), (21, 1375057), (71, 406707), (107, 269871), (181, 159537), (213, 135569), (321, 89957), (497, 58101), (543, 53179), (749, 38553), (1267, 22791), (1491, 19367), (2247, 12851), (3801, 7597)]