26390259

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7349}}^1$

素因数の和:7384

約数の個数: 32

約数和(自身を含む): 47040000

約数和(自身を除く): 20649741

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 7349, 22047, 51443, 66141, 139631, 154329, 198423, 418893, 462987, 977417, 1256679, 1388961, 2932251, 3770037, 8796753, 26390259]

約数ペア:

[(1, 26390259), (3, 8796753), (7, 3770037), (9, 2932251), (19, 1388961), (21, 1256679), (27, 977417), (57, 462987), (63, 418893), (133, 198423), (171, 154329), (189, 139631), (399, 66141), (513, 51443), (1197, 22047), (3591, 7349)]