17920340127

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{1327}}^1\times {\mathrm{5749}}^1$

素因数の和:7117

約数の個数: 40

約数和(自身を含む): 27718680000

約数和(自身を除く): 9798339873

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 1327, 2349, 3981, 5749, 11943, 17247, 35829, 38483, 51741, 107487, 115449, 155223, 166721, 346347, 465669, 500163, 1039041, 1500489, 3117123, 4501467, 7628923, 13504401, 22886769, 68660307, 205980921, 221238767, 617942763, 663716301, 1991148903, 5973446709, 17920340127]

約数ペア:

[(1, 17920340127), (3, 5973446709), (9, 1991148903), (27, 663716301), (29, 617942763), (81, 221238767), (87, 205980921), (261, 68660307), (783, 22886769), (1327, 13504401), (2349, 7628923), (3981, 4501467), (5749, 3117123), (11943, 1500489), (17247, 1039041), (35829, 500163), (38483, 465669), (51741, 346347), (107487, 166721), (115449, 155223)]