647513181

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5021}}^1$

素因数の和:5146

約数の個数: 48

約数和(自身を含む): 1128142080

約数和(自身を除く): 480628899

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 89, 161, 207, 267, 483, 623, 801, 1449, 1869, 2047, 5021, 5607, 6141, 14329, 15063, 18423, 35147, 42987, 45189, 105441, 115483, 128961, 316323, 346449, 446869, 808381, 1039347, 1340607, 2425143, 3128083, 4021821, 7275429, 9384249, 10277987, 28152747, 30833961, 71945909, 92501883, 215837727, 647513181]

約数ペア:

[(1, 647513181), (3, 215837727), (7, 92501883), (9, 71945909), (21, 30833961), (23, 28152747), (63, 10277987), (69, 9384249), (89, 7275429), (161, 4021821), (207, 3128083), (267, 2425143), (483, 1340607), (623, 1039347), (801, 808381), (1449, 446869), (1869, 346449), (2047, 316323), (5021, 128961), (5607, 115483), (6141, 105441), (14329, 45189), (15063, 42987), (18423, 35147)]