278952009

素因数分解:

$3^1\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{12043}}^1$

素因数の和:13156

約数の個数: 16

約数和(自身を含む): 425490432

約数和(自身を除く): 146538423

約数列:

[1, 3, 7, 21, 1103, 3309, 7721, 12043, 23163, 36129, 84301, 252903, 13283429, 39850287, 92984003, 278952009]

約数ペア:

[(1, 278952009), (3, 92984003), (7, 39850287), (21, 13283429), (1103, 252903), (3309, 84301), (7721, 36129), (12043, 23163)]