213577727

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 256089600

約数和(自身を除く): 42511873

約数列:

[1, 11, 19, 37, 71, 209, 389, 407, 703, 781, 1349, 2627, 4279, 7391, 7733, 14393, 14839, 27619, 28897, 49913, 81301, 158323, 273467, 303809, 524761, 549043, 1021903, 3008137, 5772371, 11240933, 19416157, 213577727]

約数ペア:

[(1, 213577727), (11, 19416157), (19, 11240933), (37, 5772371), (71, 3008137), (209, 1021903), (389, 549043), (407, 524761), (703, 303809), (781, 273467), (1349, 158323), (2627, 81301), (4279, 49913), (7391, 28897), (7733, 27619), (14393, 14839)]