26728191

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1373}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 45726720

約数和(自身を除く): 18998529

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 1373, 2163, 2781, 4119, 6489, 9611, 12357, 19467, 28833, 37071, 86499, 141419, 259497, 424257, 989933, 1272771, 2969799, 3818313, 8909397, 26728191]

約数ペア:

[(1, 26728191), (3, 8909397), (7, 3818313), (9, 2969799), (21, 1272771), (27, 989933), (63, 424257), (103, 259497), (189, 141419), (309, 86499), (721, 37071), (927, 28833), (1373, 19467), (2163, 12357), (2781, 9611), (4119, 6489)]