13010921

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 16744320

約数和(自身を除く): 3733399

約数列:

[1, 7, 11, 49, 77, 101, 239, 539, 707, 1111, 1673, 2629, 4949, 7777, 11711, 18403, 24139, 54439, 128821, 168973, 265529, 1182811, 1858703, 13010921]

約数ペア:

[(1, 13010921), (7, 1858703), (11, 1182811), (49, 265529), (77, 168973), (101, 128821), (239, 54439), (539, 24139), (707, 18403), (1111, 11711), (1673, 7777), (2629, 4949)]