1305927

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 2271360

約数和(自身を除く): 965433

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1091, 1197, 3273, 7637, 9819, 20729, 22911, 62187, 68733, 145103, 186561, 435309, 1305927]

約数ペア:

[(1, 1305927), (3, 435309), (7, 186561), (9, 145103), (19, 68733), (21, 62187), (57, 22911), (63, 20729), (133, 9819), (171, 7637), (399, 3273), (1091, 1197)]