16939857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 26357760

約数和(自身を除く): 9417903

約数列:

[1, 3, 11, 29, 31, 33, 87, 93, 319, 341, 571, 899, 957, 1023, 1713, 2697, 6281, 9889, 16559, 17701, 18843, 29667, 49677, 53103, 182149, 194711, 513329, 546447, 584133, 1539987, 5646619, 16939857]

約数ペア:

[(1, 16939857), (3, 5646619), (11, 1539987), (29, 584133), (31, 546447), (33, 513329), (87, 194711), (93, 182149), (319, 53103), (341, 49677), (571, 29667), (899, 18843), (957, 17701), (1023, 16559), (1713, 9889), (2697, 6281)]