131299917

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2089}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 207863040

約数和(自身を除く): 76563123

約数列:

[1, 3, 7, 21, 41, 73, 123, 219, 287, 511, 861, 1533, 2089, 2993, 6267, 8979, 14623, 20951, 43869, 62853, 85649, 152497, 256947, 457491, 599543, 1067479, 1798629, 3202437, 6252377, 18757131, 43766639, 131299917]

約数ペア:

[(1, 131299917), (3, 43766639), (7, 18757131), (21, 6252377), (41, 3202437), (73, 1798629), (123, 1067479), (219, 599543), (287, 457491), (511, 256947), (861, 152497), (1533, 85649), (2089, 62853), (2993, 43869), (6267, 20951), (8979, 14623)]