2991978

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 80

約数和(自身を含む): 7736256

約数和(自身を除く): 4744278

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 73, 81, 99, 138, 146, 162, 198, 207, 219, 253, 297, 414, 438, 506, 594, 621, 657, 759, 803, 891, 1242, 1314, 1518, 1606, 1679, 1782, 1863, 1971, 2277, 2409, 3358, 3726, 3942, 4554, 4818, 5037, 5913, 6831, 7227, 10074, 11826, 13662, 14454, 15111, 18469, 20493, 21681, 30222, 36938, 40986, 43362, 45333, 55407, 65043, 90666, 110814, 130086, 135999, 166221, 271998, 332442, 498663, 997326, 1495989, 2991978]

約数ペア:

[(1, 2991978), (2, 1495989), (3, 997326), (6, 498663), (9, 332442), (11, 271998), (18, 166221), (22, 135999), (23, 130086), (27, 110814), (33, 90666), (46, 65043), (54, 55407), (66, 45333), (69, 43362), (73, 40986), (81, 36938), (99, 30222), (138, 21681), (146, 20493), (162, 18469), (198, 15111), (207, 14454), (219, 13662), (253, 11826), (297, 10074), (414, 7227), (438, 6831), (506, 5913), (594, 5037), (621, 4818), (657, 4554), (759, 3942), (803, 3726), (891, 3358), (1242, 2409), (1314, 2277), (1518, 1971), (1606, 1863), (1679, 1782)]