233561853

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 419020800

約数和(自身を除く): 185458947

約数列:

[1, 3, 7, 9, 21, 27, 29, 43, 63, 87, 129, 189, 203, 261, 301, 387, 609, 783, 903, 991, 1161, 1247, 1827, 2709, 2973, 3741, 5481, 6937, 8127, 8729, 8919, 11223, 20811, 26187, 26757, 28739, 33669, 42613, 62433, 78561, 86217, 127839, 187299, 201173, 235683, 258651, 298291, 383517, 603519, 775953, 894873, 1150551, 1235777, 1810557, 2684619, 3707331, 5431671, 8053857, 8650439, 11121993, 25951317, 33365979, 77853951, 233561853]

約数ペア:

[(1, 233561853), (3, 77853951), (7, 33365979), (9, 25951317), (21, 11121993), (27, 8650439), (29, 8053857), (43, 5431671), (63, 3707331), (87, 2684619), (129, 1810557), (189, 1235777), (203, 1150551), (261, 894873), (301, 775953), (387, 603519), (609, 383517), (783, 298291), (903, 258651), (991, 235683), (1161, 201173), (1247, 187299), (1827, 127839), (2709, 86217), (2973, 78561), (3741, 62433), (5481, 42613), (6937, 33669), (8127, 28739), (8729, 26757), (8919, 26187), (11223, 20811)]