201556971

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1447}}^1$

素因数の和:1541

約数の個数: 64

約数和(自身を含む): 378101760

約数和(自身を除く): 176544789

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 67, 77, 99, 189, 201, 231, 297, 469, 603, 693, 737, 1407, 1447, 1809, 2079, 2211, 4221, 4341, 5159, 6633, 10129, 12663, 13023, 15477, 15917, 19899, 30387, 39069, 46431, 47751, 91161, 96949, 111419, 139293, 143253, 273483, 290847, 334257, 429759, 678643, 872541, 1002771, 1066439, 2035929, 2617623, 3008313, 3199317, 6107787, 7465073, 9597951, 18323361, 22395219, 28793853, 67185657, 201556971]

約数ペア:

[(1, 201556971), (3, 67185657), (7, 28793853), (9, 22395219), (11, 18323361), (21, 9597951), (27, 7465073), (33, 6107787), (63, 3199317), (67, 3008313), (77, 2617623), (99, 2035929), (189, 1066439), (201, 1002771), (231, 872541), (297, 678643), (469, 429759), (603, 334257), (693, 290847), (737, 273483), (1407, 143253), (1447, 139293), (1809, 111419), (2079, 96949), (2211, 91161), (4221, 47751), (4341, 46431), (5159, 39069), (6633, 30387), (10129, 19899), (12663, 15917), (13023, 15477)]