209212467

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 299719680

約数和(自身を除く): 90507213

約数列:

[1, 3, 29, 37, 87, 103, 111, 309, 631, 1073, 1893, 2987, 3219, 3811, 8961, 11433, 18299, 23347, 54897, 64993, 70041, 110519, 194979, 331557, 677063, 1884797, 2031189, 2404741, 5654391, 7214223, 69737489, 209212467]

約数ペア:

[(1, 209212467), (3, 69737489), (29, 7214223), (37, 5654391), (87, 2404741), (103, 2031189), (111, 1884797), (309, 677063), (631, 331557), (1073, 194979), (1893, 110519), (2987, 70041), (3219, 64993), (3811, 54897), (8961, 23347), (11433, 18299)]