16208997

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 26499072

約数和(自身を除く): 10290075

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 907, 2553, 2721, 5957, 6349, 17871, 19047, 20861, 33559, 62583, 100677, 146027, 234913, 438081, 704739, 771857, 2315571, 5402999, 16208997]

約数ペア:

[(1, 16208997), (3, 5402999), (7, 2315571), (21, 771857), (23, 704739), (37, 438081), (69, 234913), (111, 146027), (161, 100677), (259, 62583), (483, 33559), (777, 20861), (851, 19047), (907, 17871), (2553, 6349), (2721, 5957)]