210835191

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 359633520

約数和(自身を除く): 148798329

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 137, 147, 203, 361, 399, 411, 551, 609, 931, 959, 1083, 1421, 1653, 2527, 2603, 2793, 2877, 3857, 3973, 4263, 6713, 7581, 7809, 10469, 11571, 11919, 17689, 18221, 20139, 26999, 27811, 31407, 49457, 53067, 54663, 73283, 75487, 80997, 83433, 127547, 148371, 194677, 219849, 226461, 346199, 382641, 512981, 528409, 584031, 1038597, 1434253, 1538943, 1585227, 2423393, 3698863, 4302759, 7270179, 10039771, 11096589, 30119313, 70278397, 210835191]

約数ペア:

[(1, 210835191), (3, 70278397), (7, 30119313), (19, 11096589), (21, 10039771), (29, 7270179), (49, 4302759), (57, 3698863), (87, 2423393), (133, 1585227), (137, 1538943), (147, 1434253), (203, 1038597), (361, 584031), (399, 528409), (411, 512981), (551, 382641), (609, 346199), (931, 226461), (959, 219849), (1083, 194677), (1421, 148371), (1653, 127547), (2527, 83433), (2603, 80997), (2793, 75487), (2877, 73283), (3857, 54663), (3973, 53067), (4263, 49457), (6713, 31407), (7581, 27811), (7809, 26999), (10469, 20139), (11571, 18221), (11919, 17689)]