81260697

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 139345920

約数和(自身を除く): 58085223

約数列:

[1, 3, 7, 17, 21, 29, 47, 51, 87, 119, 141, 167, 203, 329, 357, 493, 501, 609, 799, 987, 1169, 1363, 1479, 2397, 2839, 3451, 3507, 4089, 4843, 5593, 7849, 8517, 9541, 10353, 14529, 16779, 19873, 23171, 23547, 28623, 33901, 54943, 59619, 69513, 82331, 101703, 133433, 162197, 164829, 227621, 246993, 400299, 486591, 576317, 682863, 934031, 1593347, 1728951, 2802093, 3869557, 4780041, 11608671, 27086899, 81260697]

約数ペア:

[(1, 81260697), (3, 27086899), (7, 11608671), (17, 4780041), (21, 3869557), (29, 2802093), (47, 1728951), (51, 1593347), (87, 934031), (119, 682863), (141, 576317), (167, 486591), (203, 400299), (329, 246993), (357, 227621), (493, 164829), (501, 162197), (609, 133433), (799, 101703), (987, 82331), (1169, 69513), (1363, 59619), (1479, 54943), (2397, 33901), (2839, 28623), (3451, 23547), (3507, 23171), (4089, 19873), (4843, 16779), (5593, 14529), (7849, 10353), (8517, 9541)]