278833221

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{631}}^1\times {\mathrm{1327}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 414612224

約数和(自身を除く): 135779003

約数列:

[1, 3, 9, 37, 111, 333, 631, 1327, 1893, 3981, 5679, 11943, 23347, 49099, 70041, 147297, 210123, 441891, 837337, 2512011, 7536033, 30981469, 92944407, 278833221]

約数ペア:

[(1, 278833221), (3, 92944407), (9, 30981469), (37, 7536033), (111, 2512011), (333, 837337), (631, 441891), (1327, 210123), (1893, 147297), (3981, 70041), (5679, 49099), (11943, 23347)]