205593471

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 60

約数和(自身を含む): 331927200

約数和(自身を除く): 126333729

約数列:

[1, 3, 9, 19, 27, 57, 79, 81, 89, 171, 237, 267, 361, 513, 711, 801, 1083, 1501, 1539, 1691, 2133, 2403, 3249, 4503, 5073, 6399, 7031, 7209, 9747, 13509, 15219, 21093, 28519, 29241, 32129, 40527, 45657, 63279, 85557, 96387, 121581, 133589, 136971, 189837, 256671, 289161, 400767, 569511, 770013, 867483, 1202301, 2310039, 2538191, 2602449, 3606903, 7614573, 10820709, 22843719, 68531157, 205593471]

約数ペア:

[(1, 205593471), (3, 68531157), (9, 22843719), (19, 10820709), (27, 7614573), (57, 3606903), (79, 2602449), (81, 2538191), (89, 2310039), (171, 1202301), (237, 867483), (267, 770013), (361, 569511), (513, 400767), (711, 289161), (801, 256671), (1083, 189837), (1501, 136971), (1539, 133589), (1691, 121581), (2133, 96387), (2403, 85557), (3249, 63279), (4503, 45657), (5073, 40527), (6399, 32129), (7031, 29241), (7209, 28519), (9747, 21093), (13509, 15219)]