133729281

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4362

約数の個数: 36

約数和(自身を含む): 227919744

約数和(自身を除く): 94190463

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4271, 4473, 10437, 12813, 29897, 31311, 38439, 89691, 209279, 269073, 303241, 627837, 909723, 1883511, 2122687, 2729169, 6368061, 14858809, 19104183, 44576427, 133729281]

約数ペア:

[(1, 133729281), (3, 44576427), (7, 19104183), (9, 14858809), (21, 6368061), (49, 2729169), (63, 2122687), (71, 1883511), (147, 909723), (213, 627837), (441, 303241), (497, 269073), (639, 209279), (1491, 89691), (3479, 38439), (4271, 31311), (4473, 29897), (10437, 12813)]