28771827

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 17676813

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 483, 497, 839, 1491, 1633, 2517, 4899, 5873, 11431, 17619, 19297, 34293, 57891, 59569, 135079, 178707, 405237, 416983, 1250949, 1370087, 4110261, 9590609, 28771827]

約数ペア:

[(1, 28771827), (3, 9590609), (7, 4110261), (21, 1370087), (23, 1250949), (69, 416983), (71, 405237), (161, 178707), (213, 135079), (483, 59569), (497, 57891), (839, 34293), (1491, 19297), (1633, 17619), (2517, 11431), (4899, 5873)]