828720207

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2593}}^1$

素因数の和:2717

約数の個数: 64

約数和(自身を含む): 1494144000

約数和(自身を除く): 665423793

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 89, 133, 171, 189, 267, 399, 513, 623, 801, 1197, 1691, 1869, 2403, 2593, 3591, 5073, 5607, 7779, 11837, 15219, 16821, 18151, 23337, 35511, 45657, 49267, 54453, 70011, 106533, 147801, 163359, 230777, 319599, 344869, 443403, 490077, 692331, 1034607, 1330209, 1615439, 2076993, 3103821, 4384763, 4846317, 6230979, 9311463, 13154289, 14538951, 30693341, 39462867, 43616853, 92080023, 118388601, 276240069, 828720207]

約数ペア:

[(1, 828720207), (3, 276240069), (7, 118388601), (9, 92080023), (19, 43616853), (21, 39462867), (27, 30693341), (57, 14538951), (63, 13154289), (89, 9311463), (133, 6230979), (171, 4846317), (189, 4384763), (267, 3103821), (399, 2076993), (513, 1615439), (623, 1330209), (801, 1034607), (1197, 692331), (1691, 490077), (1869, 443403), (2403, 344869), (2593, 319599), (3591, 230777), (5073, 163359), (5607, 147801), (7779, 106533), (11837, 70011), (15219, 54453), (16821, 49267), (18151, 45657), (23337, 35511)]