281384271

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{2657}}^1$

素因数の和:2752

約数の個数: 36

約数和(自身を含む): 476292336

約数和(自身を除く): 194908065

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 1681, 2583, 2657, 5043, 7971, 11767, 15129, 18599, 23913, 35301, 55797, 105903, 108937, 167391, 326811, 762559, 980433, 2287677, 4466417, 6863031, 13399251, 31264919, 40197753, 93794757, 281384271]

約数ペア:

[(1, 281384271), (3, 93794757), (7, 40197753), (9, 31264919), (21, 13399251), (41, 6863031), (63, 4466417), (123, 2287677), (287, 980433), (369, 762559), (861, 326811), (1681, 167391), (2583, 108937), (2657, 105903), (5043, 55797), (7971, 35301), (11767, 23913), (15129, 18599)]