1549939869

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 2327270400

約数和(自身を除く): 777330531

約数列:

[1, 3, 9, 71, 73, 149, 213, 219, 223, 447, 639, 657, 669, 1341, 2007, 5183, 10579, 10877, 15549, 15833, 16279, 31737, 32631, 33227, 46647, 47499, 48837, 95211, 97893, 99681, 142497, 146511, 299043, 772267, 1155809, 2316801, 2359117, 2425571, 3467427, 6950403, 7077351, 7276713, 10402281, 21232053, 21830139, 172215541, 516646623, 1549939869]

約数ペア:

[(1, 1549939869), (3, 516646623), (9, 172215541), (71, 21830139), (73, 21232053), (149, 10402281), (213, 7276713), (219, 7077351), (223, 6950403), (447, 3467427), (639, 2425571), (657, 2359117), (669, 2316801), (1341, 1155809), (2007, 772267), (5183, 299043), (10579, 146511), (10877, 142497), (15549, 99681), (15833, 97893), (16279, 95211), (31737, 48837), (32631, 47499), (33227, 46647)]