649210581

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 1002074112

約数和(自身を除く): 352863531

約数列:

[1, 3, 9, 23, 69, 71, 163, 207, 213, 271, 489, 639, 813, 1467, 1633, 2439, 3749, 4899, 6233, 11247, 11573, 14697, 18699, 19241, 33741, 34719, 44173, 56097, 57723, 104157, 132519, 173169, 266179, 397557, 442543, 798537, 1015979, 1327629, 2395611, 3047937, 3136283, 3982887, 9143811, 9408849, 28226547, 72134509, 216403527, 649210581]

約数ペア:

[(1, 649210581), (3, 216403527), (9, 72134509), (23, 28226547), (69, 9408849), (71, 9143811), (163, 3982887), (207, 3136283), (213, 3047937), (271, 2395611), (489, 1327629), (639, 1015979), (813, 798537), (1467, 442543), (1633, 397557), (2439, 266179), (3749, 173169), (4899, 132519), (6233, 104157), (11247, 57723), (11573, 56097), (14697, 44173), (18699, 34719), (19241, 33741)]