27478731

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 44838400

約数和(自身を除く): 17359669

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1129, 1159, 1281, 3387, 3477, 7903, 8113, 21451, 23709, 24339, 64353, 68869, 150157, 206607, 450471, 482083, 1308511, 1446249, 3925533, 9159577, 27478731]

約数ペア:

[(1, 27478731), (3, 9159577), (7, 3925533), (19, 1446249), (21, 1308511), (57, 482083), (61, 450471), (133, 206607), (183, 150157), (399, 68869), (427, 64353), (1129, 24339), (1159, 23709), (1281, 21451), (3387, 8113), (3477, 7903)]