81767805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 155105280

約数和(自身を除く): 73337475

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 67, 105, 177, 197, 201, 295, 335, 413, 469, 591, 885, 985, 1005, 1239, 1379, 1407, 2065, 2345, 2955, 3953, 4137, 6195, 6895, 7035, 11623, 11859, 13199, 19765, 20685, 27671, 34869, 39597, 58115, 59295, 65995, 81361, 83013, 92393, 138355, 174345, 197985, 244083, 277179, 406805, 415065, 461965, 778741, 1220415, 1385895, 2336223, 3893705, 5451187, 11681115, 16353561, 27255935, 81767805]

約数ペア:

[(1, 81767805), (3, 27255935), (5, 16353561), (7, 11681115), (15, 5451187), (21, 3893705), (35, 2336223), (59, 1385895), (67, 1220415), (105, 778741), (177, 461965), (197, 415065), (201, 406805), (295, 277179), (335, 244083), (413, 197985), (469, 174345), (591, 138355), (885, 92393), (985, 83013), (1005, 81361), (1239, 65995), (1379, 59295), (1407, 58115), (2065, 39597), (2345, 34869), (2955, 27671), (3953, 20685), (4137, 19765), (6195, 13199), (6895, 11859), (7035, 11623)]