204297471

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 367994880

約数和(自身を除く): 163697409

約数列:

[1, 3, 7, 9, 21, 27, 31, 59, 63, 81, 93, 177, 189, 197, 217, 279, 413, 531, 567, 591, 651, 837, 1239, 1379, 1593, 1773, 1829, 1953, 2511, 3717, 4137, 4779, 5319, 5487, 5859, 6107, 11151, 11623, 12411, 12803, 15957, 16461, 17577, 18321, 33453, 34869, 37233, 38409, 42749, 49383, 54963, 81361, 104607, 111699, 115227, 128247, 148149, 164889, 244083, 313821, 345681, 360313, 384741, 494667, 732249, 941463, 1037043, 1080939, 1154223, 2196747, 2522191, 3242817, 3462669, 6590241, 7566573, 9728451, 22699719, 29185353, 68099157, 204297471]

約数ペア:

[(1, 204297471), (3, 68099157), (7, 29185353), (9, 22699719), (21, 9728451), (27, 7566573), (31, 6590241), (59, 3462669), (63, 3242817), (81, 2522191), (93, 2196747), (177, 1154223), (189, 1080939), (197, 1037043), (217, 941463), (279, 732249), (413, 494667), (531, 384741), (567, 360313), (591, 345681), (651, 313821), (837, 244083), (1239, 164889), (1379, 148149), (1593, 128247), (1773, 115227), (1829, 111699), (1953, 104607), (2511, 81361), (3717, 54963), (4137, 49383), (4779, 42749), (5319, 38409), (5487, 37233), (5859, 34869), (6107, 33453), (11151, 18321), (11623, 17577), (12411, 16461), (12803, 15957)]