237861729

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 418848768

約数和(自身を除く): 180987039

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 127, 137, 147, 217, 279, 381, 411, 441, 651, 889, 959, 1143, 1233, 1519, 1953, 2667, 2877, 3937, 4247, 4557, 6223, 6713, 8001, 8631, 11811, 12741, 13671, 17399, 18669, 20139, 27559, 29729, 35433, 38223, 52197, 56007, 60417, 82677, 89187, 121793, 156591, 192913, 208103, 248031, 267561, 365379, 539369, 578739, 624309, 852551, 1096137, 1618107, 1736217, 1872927, 2557653, 3775583, 4854321, 7672959, 11326749, 26429081, 33980247, 79287243, 237861729]

約数ペア:

[(1, 237861729), (3, 79287243), (7, 33980247), (9, 26429081), (21, 11326749), (31, 7672959), (49, 4854321), (63, 3775583), (93, 2557653), (127, 1872927), (137, 1736217), (147, 1618107), (217, 1096137), (279, 852551), (381, 624309), (411, 578739), (441, 539369), (651, 365379), (889, 267561), (959, 248031), (1143, 208103), (1233, 192913), (1519, 156591), (1953, 121793), (2667, 89187), (2877, 82677), (3937, 60417), (4247, 56007), (4557, 52197), (6223, 38223), (6713, 35433), (8001, 29729), (8631, 27559), (11811, 20139), (12741, 18669), (13671, 17399)]