25989663

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1229}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 16519137

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 1229, 3021, 3687, 7049, 8603, 21147, 23351, 25809, 65137, 70053, 163457, 195411, 455959, 490371, 1237603, 1367877, 3712809, 8663221, 25989663]

約数ペア:

[(1, 25989663), (3, 8663221), (7, 3712809), (19, 1367877), (21, 1237603), (53, 490371), (57, 455959), (133, 195411), (159, 163457), (371, 70053), (399, 65137), (1007, 25809), (1113, 23351), (1229, 21147), (3021, 8603), (3687, 7049)]