2047815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 4561920

約数和(自身を除く): 2514105

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 197, 231, 297, 315, 385, 495, 591, 693, 945, 985, 1155, 1379, 1485, 1773, 2079, 2167, 2955, 3465, 4137, 5319, 6501, 6895, 8865, 10395, 10835, 12411, 15169, 19503, 20685, 26595, 32505, 37233, 45507, 58509, 62055, 75845, 97515, 136521, 186165, 227535, 292545, 409563, 682605, 2047815]

約数ペア:

[(1, 2047815), (3, 682605), (5, 409563), (7, 292545), (9, 227535), (11, 186165), (15, 136521), (21, 97515), (27, 75845), (33, 62055), (35, 58509), (45, 45507), (55, 37233), (63, 32505), (77, 26595), (99, 20685), (105, 19503), (135, 15169), (165, 12411), (189, 10835), (197, 10395), (231, 8865), (297, 6895), (315, 6501), (385, 5319), (495, 4137), (591, 3465), (693, 2955), (945, 2167), (985, 2079), (1155, 1773), (1379, 1485)]